Alawn area of 300 square feet needs 1/2 pound of grass seed. how many pounds of grass sees are needed for a lawn that is 60 feet long and 20 feet wide?

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

From the beginning of the day the temperature rose 15 degrees so that by 4 pm it was 87 degrees. what was the temperature at the start of the day

3.4a=57.8 what is the the value of a