Which set of expressions are not equivalent? 3(3a) + a(3 a) and 3 a2 + 9 a 5(3 x) - 4(3 x) and 3 x 4(3 a) - 2(4 a) and 4 a2 4 x( x) + 3(2 x) and 4 x2 + 6 x

Bugs bunny was 33 meters below ground, digging his way toward pismo beach, when he realized he wanted to be above ground. he turned and dug through the dirt diagonally for 80 meters until he was above ground

Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?