Simplify the expression completely.
(33/2 − 31/2)−2

What is the name used to describe a graph where for some value of x, there exists 2 or more different values of y?

Which of the following is true for the relation f(x)=2x^2+1

Segment an is an altitude of right δabc with a right angle at a. if ab = 2, squared 5 in and nc = 1 in, find bn, an, ac.