the graph of a liner system is shown what is the solution to this liner system? Enter a value in each box to create a order pair

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)

What is the scale factor of two similar pyramids with volumes of 64 cubic feet and 8 cubic feet

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?