Two angles are complementary. the measure of the smaller angle is four less than the measure of the larger angle. what is the measure of the smaller angle?

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

What is the value of the discriminant, b2 ? 4ac, for the quadratic equation 0 = x2 ? 4x + 5, and what does it mean about the number of real solutions the equation has?

Which of these lines passes through the point (1,-1) and has a slope of -3?