Write the sentence as an equation. the total of 57 and g is the same as 87

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 ?

The length of a rectangle is 2 inches more than twice it’s width. if the perimeter of the rectangle is 70 inches, find it’s length and width

What is the expression equivalent to (3x^2-7)