A tabletop in the shape of a trapezoid has an area of 4,732 square centimeters. Its longer base measures 123 centimeters, and the shorter base is 85 centimeters. What is the height?
The height of the tabletop is Blank---centimeters. HELP ME IM BEGGING

Steve wants to develop a way to find the total cost of any item including sales tax. the sales tax in his city is 6%. his friend jenna writes the expression x + 6x where x is the cost of the item. explain whether her expression is correct based on the situation.

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?

How do i simply this expression (quadratic formula basis) on a ti-84 or normal calculator?