The sum of two positive numbers is 37, and their difference is 7. If x and y represent the unknown numbers, which two equations belong to the system of equations that represents this situation?

One positive number is 9 more than twice another. if their product is 95, find the numbers

Which number produces a rationale number when multiplied by 1/5

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price