Carol has had a $145,000 fixed mortgage for 5 years at 5.5% and is

considering refinancing. She can now get an 80/20 mortgage with 4.5% and

9.5% interest, respectively. Based only on this information, should she

refinance?

Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.

If the scale factor between two circles is 2x/5y what is the ratio of their areas?

Formulate alisha has a number in mind. if she adds three to her number the result is less than five. use this information to write and solve an inequality about alisha's number. then graph the solution set.