PLEASE HELP Jeffery is making 4 batches of chocolate chip cookies. Each batch of cookies needs 2 3/4 cups of chocolate chips. Each cup of chocolate chips weighs 6 oz. if he has 74 ounces of chocolate chips, how many ounces will be left over? Use mental math and the distributive property.

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

Three numbers x, y, and z are in the ratio 2: 7: 8. if 12 is subtracted from y, then three numbers form a geometric sequence (in the order x, y–12, z). find x, y, and z. there are 2 sets.