You are attending your schools book fair hardbacks books are 15$ and paperback books are 10$ you want to buy at least 4 books but only have 80$ to spend write a harem of inequalities to represent the number of books you can buy

step-by-step explanation:

(a) the volume of the cone is 20/3 in3

hence, option a is correct.

pay attention in your classes and concentrate the best thing you can do to raise your test scores is to pay attention when you're supposed to be learning the material: in class!

take good notes.

do your homework.

use mnemonics and other tricks.

do practice tests.

note: the best i know.

step-by-step explanation: