Express the polynomial x^2 -x ^4 +2x^2

If w = 6 units, x = 3 units, and y = 5 units, what is the surface area of the figure? 168 units2 240 units2 144 units2 96 units2

Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.

Matt had 5 library books. he checked out 1 additional book every week without retuening any books. whats the matching equation