Which of the following expressions is equivalent to

1/2y²(6x+2y+12x-2y)

a) 9xy²
b) 18xy
c) 3xy²+12x
d) 9xy²-2y³
e) 3xy²+12x-y³-2y

Can someone me out here and the tell me the greatest common factor

The volume of a cube-shaped shipping container is 13,824 cubic inches. find the edge length of the shipping container.

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?