What is x+y+x+y and 2(x+y)

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

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Candy lives in the center of town. her friend darlene lives 28 miles to the east and her friend dana lives 21 miles north. approximately how far do dana and darline live apart ?