Darryl made a deposit into an account that earns 7% annual compound interest. after 36 months, the value of his account was $1,024.29. what was the approximate amount of darryl's initial deposit?

$836.

Step-by-step explanation:

36 months = 3 years.

1024.29 = P (1 + 0.07)^3  where P is the initial deposit.

P = 1024.29 / (1.07)^3

= $836.

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

i am not sure :

step-by-step explanation: