Evaluate the expression for v=5 in simplest form v-7/-v+4

The table shows a pattern of exponents. what is the pattern as the exponents decrease?

Sadie computes the perimeter of a rectangle by adding the length, l, and width, w, and doubling this sum. eric computes the perimeter of a rectangle by doubling the length, l, doubling the width, w, and adding the doubled amounts. write an equation for sadie’s way of calculating the

What is the value of x when x + 7 = 21?