Alocal humane society houses 300 animals. the ratio of cats to all animals is 7 : 15. write a proportion that gives the number of cats c. how many cats are in the humane society?

Three times the difference of federico’s age, and 4, increased by 7, is greater than 37. what are possible values of federico’s age?

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

Find the solution of this system of equation -7x+y=-20 9x-3y=36