Ryan and Mariah are playing a game. Whoever wins a round gets 7 points. Whoever loses a round gets -3 points. Mariah lost the first two rounds. How many points does Ryan have?

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coop?

Acircle has a circumference of 2 pi cm. which statement about the circumference and area is true? a comparison of the area and circumference is not possible since the area cannot be determined. the numerical values of the circumference and area of the circle are equal. the numerical value of the circumference is greater than the numerical value of the area. the numerical value of the circumference is less than the numerical value of the area.

Which of the following expressions is equal to 2x^2+8