Which of the following statements are true and which are false?
a. 20 > -20
b. 20 > -21
c. -20 < -21
d. -20 > -21

Find the volume of the solid generated when the region bounded by y= x and y= 4√x is revolved about the x-axis the volume of the solid is: (type an exact answer cubic units)

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

Solve the equation. 2x - 8(x+1)= 6(2x - 3)