Fifty-two children from an after-school club went to the matinee. This is 25% of the children in the club. How many children are in the club?

 208

Step-by-step explanation:

52*4=208      25%=1/4    so x*4

f-1(x)= cube root of 19x squared/x

step-by-step explanation:

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