What is the volume of these cubic units

Select all of the following expressions that are equal to 2.5.

Is ofat (-25, 0), (25, 0) co- (0, -15), (0, 15)?

Use the linear combination method to solve the system of equations. explain each step of your solution. if steps are not explained, you will not receive credit for that step. 2 + 9 = −26 −3 − 7 = 13