Solve.How many cubic feet of concrete is needed to pour the building foundation shown in the figure? 
A. 1325 ft3
B. 6775 ft3
C. 4592 ft3
D. 2258 ft3
Answer: B
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Solve the problem.A vector v = zi + 8j emanating from the origin points into the first octant. If 
find z.
A. 100
B. 6
C. 
D. 14
Use the fundamental identities to find the value of the trigonometric function.Find cot ?, given that tan ? = 
and ? is in quadrant III.
A. - 
B. 
C. 
D. - 
Solve the problem.The following table gives data on two different solar modules being developed for use in roofing.
You must determine the size of the frame needed to support each panel on a roof. (Note: The sides of each frame will form a right triangle, and the hypotenuse of the triangle will be the width of the panel.) Use the Pythagorean theorem to find the dimensions of the legs for each frame if one leg is twice the length of the other. Round your answers to the nearest tenth when necessary.
A. ABC-01: 2.6 in. by 5.2 in. ABC-02: 2.3 in. by 4.6 in. B. ABC-01: 2 in. by 4 in. ABC-02: 1.8 in. by 3.6 in. C. ABC-01: 8.9 in. by 17.9 in. ABC-02: 7.2 in. by 14.3 in. D. ABC-01: 11.5 in. by 23.1 in. ABC-02: 9.2 in. by 18.5 in.
Solve the problem.A car salesman receives bonus points for selling certain types of cars but can also be penalized for missing the monthly quota of total cars sold. These amounts are shown in the two tables. 
During the month the salesman sells 4 sub-compacts, 7 full-size cars and 1 luxury vehicles, but he misses his quota by 20%. What are his net points for the month?
A. -90 points B. 1140 points C. -360 points D. 90 points