Solve.
The drawing shows the end of a building that is to be bricked. If the area of the side of a brick used is 
find the number of bricks needed to completely cover the side of the building.
A. 260 bricks
B. 2600 bricks
C. 26 bricks
D. 3200 bricks
Answer: B
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Find the standard deviation of the data.The manager of a small dry cleaner employs six people. As part of their personnel file, she asked each one to record to the nearest one-tenth of a mile the distance they travel one way from home to work. The six distances are listed below. Find the standard deviation. Round to the nearest hundredth. 21.1 19.8 40.1 31.2 10.5 14.1
A. 3119.04 mi B. 3727.76 mi C. 11.03 mi D. 35.65 mi
Let f(x) = 8x2 - 5x and g(x) = 7x + 9. Find the composite.g[f(3)]
A. 7050 B. 1212 C. 408 D. 618
Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.A light-year is the distance that light travels in one year. Find the number of miles in a light-year if light travels 
miles/second.
A. 6.0 × 1014 miles B. 6.0 × 1012 miles C. 6.0 × 105 miles D. 6.0 × 107 miles
Solve the equation.(y - 6) - (y + 2) = 9y
A. - 2
B. - 
C. - 
D. - 