State if the vectors a and b are perpendicular, parallel, or neither. If a and b are parallel, state whether they point in the same direction or in opposite directions.a = 
, b = 
A. Parallel, opposite directions
B. Parallel, same direction
C. Perpendicular
D. Neither
Answer: C
Mathematics
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Find 
for the given function.y = (
- 8)-3
A. 6(
- 8)-5
B. - 
(
- 8)-4
C. - 
(
- 8)-5
D. 
(
- 8)-5
Mathematics
Provide an appropriate response.Find the volume of a pyramid that has a square base of 9 ft. on a side and a height of 13 ft.
What will be an ideal response?
Mathematics
Evaluate. 
A. 15,249,024 B. 182,988,288 C. 914,941,440 D. 7,624,512
Mathematics
Solve the problem.A company has found that the marginal cost of a new production line (in thousands) is 
where x is the number of years the line is in use. Find the total cost function for the production line (in thousands). The fixed cost is $20,000.
A. C(x) = 9 ln(x + e) + 11
B. C(x) = 
+ 20
C. C(x) = 
+ 11
D. C(x) = 9 ln(x + e) + 20
Mathematics