What is the domain of y = cos(2x)? A.
[-2, 2]
B.
[0, 0)
OC. (-0,00)
D.
[0, 1]

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.

Sole the equation 6n + 9 = -3n - 21 - 6 for n

If using the method of completing the square to solve the quadratic equation x 2 + 16 x + 24 = 0 x 2 +16x+24=0, which number would have to be added to "complete the square"?