Which expression is equal to sin 75°?
o sin 135º cos 60° - cos 135º sin 60°
o cos 135º cos 60° + sin 135º sin 60°
e sin 135º cos 60° + cos 135º sin 60°
cos 135º cos 60° – cos 135º cos 60'

In two or more complete sentences, determine the appropriate model for the given data and explain how you made your decision. (1,-1), (2,0.5), (5,1.5), (8,2)

Solve the equation - 2(m -30) = -6m a-15 b-13 c-8 d8

Which of the following correctly justifies statement four of the two column proof? a. corresponding angles theorem b. transitive property of equality c. vertical angle theorem d. substitution property of equality