Is (2, -1) a solution to the system of linear equations? y = 3x - 7
y = -2x + 8
Yes
No

With #! i’ve tried to figure it out but i can’t.

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

Which exponential function has an initial value of 2? f(x) = 2(3x) f(x) = 3(2x)