49. Mary has $1 bills, $5 bills, $10 bills and $20 bills in her cash box. She would like to put groups of 3 bills into envelopes for prizes in a drawing. How many distinct groups of 3 bills can she make? (A) 20
(B) 35
(C) 28
(D) 15
(E) 21

Find the product of (4x + 3y)(4x − 3y). 16x2 − 24xy + 9y2 16x2 − 9y2 16x2 + 24xy + 9y2 16x2 + 9y2

What are the solutions of the equation? z^2 + 11z + 24 = 0 a. 8, -3 b. 8, 3 c. -8, -3 d. -8, 3

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.