Which expressions are equivalent to 2(3/4 x + 7) – 3 (1/2 x -5)

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

Billy plotted −3 4 and −1 4 on a number line to determine that −3 4 is smaller than −1 4 .is he correct? explain why or why not

Money off coupons have been circulated to 300 households. only 2/5 of these were redeemed (used) in the local supermarket to get a free shampoo. what fraction of coupons were unused? (ps: write how you got the answer)