(7x^2-4xy+5y^2) + (2x^2-xy-y^2)

Chip worked at the animal shelter for 6 hours each week for several weeks. he worked for a total of 42 hours. which of the following can be used to find the number of weeks chip worked at the animal shelter?

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

Given: pqrs is a parallelogram prove: pr and qs bisect each other at t