Hydrogen gas is being pumped into a spherical object so that its radius increases at 0.03 centimeters per second. How fast is the volume increasing when r = 10 centimeters? `V = 4/3 pir^3`

A.
3.768 cm3/s
B.
37.68 cm3/s
C.
75.36 cm3/s
D.
113.04 cm3/s

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp

Find the length of the radius of a circle with the center at -7+2i and a point in the circle at 33+11i