Leo has had test scores of 85, 92 and 87. He has one test left. What test score t must he to average at least a 90 for his four tests?

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

Analyze the graph of the cube root function shown on the right to determine the transformations of the parent function. then, determine the values of a, h, and k in the general equation.

Two angles are complementary. the larger angle is 36 more than the smaller angle. what is the measure of the larger angle?