Arectangular billboard is 23 feet by 31 feet. if a gallon of paint covers 200 square feet, how many gallons should be purchased to cover the entire board?

What statement is true? 2x^2-9x+2=-1

The sum of the squares of two numbers is 8 . the product of the two numbers is 4. find the numbers.

Which best describes the function on the graph? direct variation; k = −2 direct variation; k = -1/2 inverse variation; k = −2 inverse variation; k = -1/2