What is the value of minus 6 x cubed minus y squared minus 3 x y if if x = -2 and y = 4?

Which expression is equivalent to? assume x > 0 and y > 0.

Before simplifying, how many terms are there in the expression 2x - 5y + 3 + x?

George is putting trim around his rectangular deck, including the gate. he will need 44 feet of trim to do the entire deck. if the deck is 13 feet long, how wide is the deck?