How do i solve three and thirty hundredths times fifty-eight and fourteen hundredths

Peaches cost $4.29 per pound. find the cost of two and a quarter pounds of peaches.

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. create a question you could ask that could be answered only by graphing or using a logarithm.

What is r i 4.5+10r=-6.5 with work pls