For what equations below is x = -3 a possible equation select three options

Create and solve a linear equation that represents the model, where squares and triangles are shown evenly balanced on a balance beam. assume the weight of a square is 1 unit and the weight of a triangle is unknown.

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?