Ronny and Johnny were getting ready for school. Ronny was the only one that had money to spend though, as Johnny spent 30 dollars last week on supplies. Ronny decided to buy a magazine about math that cost him $15.50 and he also bought four erasers. Ronny spent a total of $29.50. How much did each eraser cost Ronny?

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

Suzanne began a trip with 18 1/2 gallons of gas in the gas tank of her car if she hughes 17 3/4 gallons on the trip how many gallons does she have left once she finish the trip

Find the zeros of each function. f(x) = 6x^2 - 7x - 20