8x+4y=-20 and -4x-8y=-20 solve each system by substitution

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Type the correct answer in each box. use numerals instead of words. if necessary, use / for the fraction bar. consider the given table.

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?