Joannie lent $200 to her sister. four years later, her sister repaid her in full with $228. what simple annual interest rate did joannie's sister pay? a. 3.0% b. 3.5% c. 4.0% d. 4.5%

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

How many ordered pairs of positive integers satisfy xy=32?

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z