Which of the following relations represent a function?
a. {(-1,-,,7)}

b.{(-3,,-,7)}

c. {(-1,,,5)}

d. {(-1,,,7)}

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3

What happens to the area as the sliders are adjusted? what do you think the formula for the area of a triangle is divided by 2?

Given the diagram below, michael writes, "segment ac is congruent to segment ac." which of the following reasons allow him to write this statement?