I need help, if possible explain step by step in the best way

The dimensions, in inches, of a shipping box at we ship 4 you can be expressed as width x, length x+5, and height 3x-1. the volume is about 7.6ft^3 find the dimensions of the box in inches. round to the nearest inch

What are “like terms”? why can we only add like terms?

What is the perimeter of trapezoid jklm? + units 2 + + units 9 + units 9 + + units