Vinny's friend told him that he could earn $49 for delivering newspapers. Vinny wants to calculate the hourly rate. If he works a total of 3.5 hours, the equation
3.5x = 49 can be used to determine his hourly rate. What would Vinny's hourly rate
be, in dollars?

2/3(-6y+9x) expand each expression using the distributive property

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.

Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?