What is the length of side AB as shown on the coordinate plane?

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)

Find the actual dimensions of the box. the side length are in meters and integers. the surface area of the box is 104 m2 and volume of the box is 60 m3.

Which inequality statement describes the two numbers on a number line? "? 7 and a number 5 units to the right of ? 7"