someone has only quarters and dimes in his piggy bank. He has 152 coins in the piggy bank with the value of $30.50. Determine the system of equations that model this problem. Solve the system. How many quarters and dimes does Everett have

Solve for x, y, and z. show all steps.

A, at (-2, 4), is 6 .of a'? (-8, 4) (-8, -2) (-2, -2) (-2, 4) b, at (-4, -7), isy-.of b'? (-4, 7) (4, -7) (4, 7) (-4, -7)

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.