(Will give brainiest)

5y - x = 10

4x - 4y = 1

12 = 6x + 3y

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

Describe the 2 algebraic methods you can use to find the zeros of the function f(t)=-16t^2+400.

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?