the volume of a sphere is increasing at a rate of 2cm^3/sec. Find the rate of change of its surface area when its volume is 256pi/3 cm^3.

Brent wants to know what is 5 x 1/2

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

Complete the steps to find 4.830 ÷ 5