Which equations for the measures of the unknown angles x and y are correct? Check all that apply.
X
x= cos-lla)
a
sin-1
b
x = tan
Urd
y=sin" (a)
y
y = cos
cos-)

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

Find an bif a = {3, 6, 9, 12) and b = {2, 4, 6, 8, 10).