If y= 3x^3 - 2x and dx/dt equals 3 , find dy/dt when x = -2. Give only the numerical answer. For example, if dy/dt = 4, type only 4. (4 points)

256π units²   (answer b)

step-by-step explanation:

the formula for the surface area of a sphere of radius r

is             a = 4πr²

and so, if r = 8 units, then the surface area is:

a = 4π(8 units)² = 256π units²   (answer b)

c. 1,233 miles

sorry i got nothing

step-by-step explanation: