What is the solution x+2y=7 and x-2y=-1

An animal shelter has 21 puppies. if the puppies are 28% of the total dog and cat population , how many dogs and cats are in the animal shelter

Part a: select all of the ordered pairs that are located on the graph of the equation. part b: does the graph of the equation represent a function? select all correct answers for part a and one answer for part b.

Divide. reduce the answer to lowest terms.5 2/3 ÷ 3 1/9