Triangle abc is a right triangle.
what is the relationship between angles a and b?
they are congruent.
they are complementary
they are supplementary
there is no relationship between them.

What is the 17th term in the arithmetic sequence in which a6 is 101 and a9 is 83

The function f(x)= -(x+5)(x+1) is down. what is the range of the function?

Which statement explains how you could use coordinate geometry to prove the opposite sides of a quadrilateral are congruent? a. use the slope formula to prove the slopes of the opposite sides are the same. b. use the slope formula to prove the slopes of the opposite sides are opposite reciprocals. c. use the distance formula to prove the lengths of the opposite sides are the same. d. use the distance formula to prove the midpoints of the opposite sides are the same.