Mathew ran 3/8 mile and then walked 7/10 mile which pair of fractions can he use to find how far he went in all

Me. i can't figure out this question. give an explanation too. .

Mr.walker is looking at the fundraiser totals for the last five years , how does the mean of the totals compare to the median?

Set up and solve a proportion for the following application problem. if 55 pounds of grass seed cover 404 square feet, how many pounds are needed for 7272 square feet?