Solve the problem.Suppose a pyramid has a rectangular base whose width is 2 centimeters less than its length. If the height is 5 centimeters and the volume is 80 cubic centimeters, find the length of the base. (V = 
Bh)
A. 8 cm
B. 2 cm
C. 6 cm
D. 48 cm
Answer: A
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The vector r(t) is the position vector of a particle at time t. Find the angle between the velocity and the acceleration vectors at time t = 0.r(t) = ti + (
t + 
t2)k
A. ?
B. 0
C. 
D. 
Determine the slope and the y-intercept.y = -5x - 2
A. Slope = -2, y-intercept = (0, -5) B. Slope = -2, y-intercept = (0, 5) C. Slope = 5, y-intercept = (0, -2) D. Slope = -5, y-intercept = (0, -2)
Multiply, and then simplify if possible. Assume all variables represent positive real numbers.(11
+ 5)(
- 5)
A. 11x
- 110
- 25
B. 11x - 110
- 25
C. 11x - 25
D. 11x
- 55
+ 5
- 25
Find the distance in the xy-plane between the two points. Round an approximate result to the nearest hundredth.(4.6, -0.5) and (2.6, -4.5)
A. 8.94 B. 4 C. 2.24 D. 4.47