Asap can someone with my math 3 and 4 plz and tell me how chu know plz and thx

3. 22.5 + 9.5 = 32

32/2 = 16

16*8 = 128 ft^2

4. 432 units^2

answer: the answer is (b) amie should have multiplied

step-by-step explanation: given a sphere and a cylinder with same radius and height.

let, 'r' be the radius of the cylinder and sphere and 'h' be the height of the cylinder. according to the question,

r = h.

now, the volume of the sphere will be

and the volume of the cylinder will be

therefore, we have

thus, ammie should have multiplied the volume of the sphere

current in the circuit at time t is /, then the power delivered to the resistor is

step-by-step explanation: