Problem every day, katie looks for seashells on the beach. she has 28 shells in her collection. katie finds 12 more shells each day.

How can you check that you have correctly converted frequencies to relative frequencies?

Pamela has a 30-year, 5.75% mortgage on her $250,000 home. she has been paying on it for 5 years, and has recently hit some financial trouble. if her lender agreed to lower the interest rate on her $231,905.47 balance to 5.5%, what will her new payment be for the remainder of the loan?

There are a total of 75 students in the robotics club and science club. the science club has 9 more students than the robotics club. how many students are in the science club?