The height of an arch is modeled by the equation y=-x²-6x+16. Which of the following gives the width of the arch at its base?

Each of the walls of a room with square dimensions has been built with two pieces of sheetrock, a smaller one and a larger one. the length of all the smaller ones is the same and is stored in the variable small. similarly, the length of all the larger ones is the same and is stored in the variable large. write a single expression whose value is the total area of this room. do not use any method invocations.

Find two numbers if their sum is 91 and the ratio is 6: 7?

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122