Which equations represent the line that is pealed to 3x-4y=7 and passes through the point -4,-2

Cora bought a package of erasers. there are 4 pink erasers and 12 blue erasers. what is the ratio of pink erasers to blue erasers?

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.