Dude Im desperate.

Find the value of the expression:

4x2–20x+25 for x=12.5; 0; –2

Which shows the correct solution of the equation 1/2a+2/3b=50, when b=30?

The first floor of marcus’ house is 1,440 square feet. he will cover 1,033 square feet with wood and the rest with tile. a box of tiles will cover 11 square feet. how many boxes of tile does marcus need to buy to cover the floor?

25) 56(1) = 5b a. identity property of addition b. identity property of multiplication c. commutative property of multiplication d. commutative property of addition