Each cube inside the rectangular prism has an edge length 3/4 inch. What is the volume of the rectangular prism?

4+(2+x) can you me solve this problem

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.

Square a has a side length of (2x-7) and square b has a side length of (-4x+18). how much bigger is the perimeter of square b than square a?and show all work! you so