Need with a math problem
" at bobs detective agency, the cost of following someone is $249.00 but today is a special day, and he is offering a 40% discount to his best customers. what is the new cost of his service once the discount has been taken off? how much would the actual price be if there was 7% tax on top of the sale price? "
plz guys

i need the options

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