1. The greatest common factor of two numbers is
2 and their product is 144. What is their lowest common multiple?

A. 24

B. 48

C. 60

D. 72

2. One data set has X data points in it with a
mean of M and another data set has Y data points with a mean of N.
If the two sets do not share any data points, what is the mean of
the union of the two sets?

A.

B.

C.

D.

3. The two smallest angles of a right triangle
will always be _____________________.

A. complementary angles

B. congruent

C. a linear pair

D. supplementary angles

Based on
the article “U.S. spacecraft MAVEN neatly enters Mars orbit” on page
A2 of the Tuesday, September 23^{rd}, Seattle Times.

4.After
travelling 710 million kilometers in 10 months, the MAVEN spacecraft
activated its rockets in order to slow down and be captured by
Mars’s gravity. The 27-minute rocket burn decreased MAVEN’s average
speed to just 17,700 kilometers per hour. By how much did each
second of the burn decrease MAVEN’s speed? (Each month has an
average of 30.4 days.)

A. 0.89 km/h

B. 8.9 km/h

C. 53 km/h

D. 3,200 km/h

5.Over
the next several months, MAVEN will gradually tighten its orbit
around Mares until it achieves a final stable orbit 200 miles above
the surface and will complete one orbit every 4.5 hours. If the
distance from the center of Mars to its surface is 3,396.2 km, what
will MAVEN’s speed be during its final orbit? (1 mile = 1.609 km)

A. 1,600 km/h

B. 9,900 km/h

C. 21,000 km/h

D. 45,000 km/h

6.Because
MAVEN was able to save fuel during its journey to Mars, its leftover
fuel will allow its lifespan to extend long enough to potentially
observe the effects of a complete solar cycle on the atmosphere of
Mars. The mean solar cycle takes 10.68 Earth years. If each Martian
year takes 687 days, approximately how many Martian years pass
during the average solar cycle?

A. 1

B.

C. 8

D. 20

Based on
the article “Feed the Beast” on page C1 of the Wednesday, September
24^{th} Seattle Times.

7. During the last three seasons, over 16
games, Lynch averaged 300 rushing attempts and 4.5 yards per
attempt. Through three games this season, he has just 52 rushing
attempts and 234 yards rushing. If his rushing attempts per game and
yards per attempt remain constant throughout this season, how many
yards rushing will he end up with this season?

A. 1195 yards

B. 1247 yards

C. 1299 yards

D. 1350 yards

8. So far this season, Lynch has been handling
59.7% of all the Seahawks rushing attempts. Last season, over 16
games the Seahawks had 509 rushing attempts. If the Seahawks run the
ball as often in their remaining games as they did last season and
if they continue to give Lynch the same percentage of the rushing
attempts, then how many total rushing attempts will Lynch have by
the end of the season?

A. 247 attempts

B. 299 attempts

C. 355 attempts

D. 413 attempts

Based on
the article “Utah salt caverns have starring role in megapower plan”
on page A3 of the Thursday, September 25^{th}, Seattle
Times.

9.Nationwide,
each megawatt-hour can power between 600 and 1000 households for an
hour of typical use. The four caverns will each hold enough
compressed air to generate 60,000 megawatt-hours of electricity. If
California uses the lowest amount of energy per household in the
nation, how many households in California could be powered for a
full day by the energy stored in the caverns?

A. 6,000,000

B. 10,000,000

C. 144,000,000

D. 240,000,000

10. California has roughly 13 million
households and their residential power use makes up 19.3% of their
total energy consumption. The wind farm near Chugwater, Wyoming will
consistently generate 2,100 megawatts of power. What percentage of
all of California’s energy consumption will the Chugwater wind farm
produce?

A. 0.32%

B. 3.1%

C. 8.5%

D. 16%

11.The
volumes of each of the four caverns will be 41 million cubic feet.
They will each be 1300 feet high and 290 feet wide. If the caverns
are rectangular prisms, what will be the total combined surface area
of the caverns?

A. 550,000 square feet

B. 1,100,000 square feet

C. 2,200,000 square feet

D. 4,400,000 square feet

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