Carolina is saving money to purchase a house. She inherits $15,000 and deposits it into the bank. She gains 12% simple interest for 8 years. How much money does she have after 8 years?

Liam's parents are driving three times as fast as liam is biking, but they left later than he did. if his parents caught up with him two hours after he left, how much later than liam did they leave?

Can some one me with these questions

Four quarts of a latex enamel paint will cover about 200 square feet of wall surface. how many quarts are needed to cover 98 square feet of kitchen wall and 52 square feet of bathroom wall