If the ratio of dogs to cats at an animal shelter is 2: 5, then the number of cats is times the number of dogs.

2a+7+4ahow many terms? how many variables? any like terms? yes noif yes, which ones? what are the coefficients? any constants? yes noif yes, which ones? simplify the expression by combining like terms and constants: how many terms now?

It says factor each expression 49x-28?

Factor the expression using the gcf. the expression 21m−49n factored using the gcf