Is the function given by, (picture provided)

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

Tamar is measuring the sides and angles of tuv to determine whether it is congruent to the triangle below. which pair of measurements would eliminate the possibility that the triangles are congruent

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2