A mortgage is paid off in 30 years with a lump sum payment of $124,000. It had a 2% interest rate that compounded monthly. What was the principal? Round your answer to the nearest cent and do not include the dollar sign. Do not round at any other point in the solving process; only round your final answer.

Cam bought some used books for $4.95. he paid $0.50 each for some books and $0.35 each for the others. he bought fewer than 8 books at each price. how many books did cam buy?

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Prove that quadrilateral is a rhombus.