For A=a^2-1/2a^2+a-1 a, To shorten A

Which expression is equivalent to 2x^2+7x+4?

The variable in a relation who’s value depends on the value of the independent variable is called what?

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?