Mary has $ 160. she is buying beads for a necklace that cost $ 4 each. use this information to answer questions 5 dash –6. 5. write an equation showing the relationship between the number of beads, b, she buys, and the amount of money she has left, m.

Create a question with this scenario you could ask that could be answered only by graphing or using logarithm. david estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x.