Use the grouping method to factor the polynomial below completely. -32 + 5x - 15
A. (22+5)(x-3)
B. (12 - 3)(x+5)
C. (+3)(x-5)
D. (- 5)(x+3)

Me. i can't figure out this question. give an explanation too. .

For the right triangle shown, the lengths of two sides are given. find the third side. leave your answer in simplified, radical form.

Acollege is selling tickets for a winter fund-raiser. one day, krissa sold 14 adult tickets and 8 student tickets for a total of $376. the next day, she sold 7 adult tickets and 11 student tickets for a total of $272. krissa wanted to find the price of one adult ticket, a, and the price of one student ticket, s. she wrote and solved the following system of equations.