Mariah worked for 3 hours and earned a total of $28.50. Which equation can be used to find r, the amount of money Mariah earns per hour?

With this question! what is process of elimination? ? p.s. my brothers acc got banned so add his new one @ yamauchiyamyam17

The sales totals at macy's food store have increased exponentially over the months. which of these best shows the sales in the first three months?

The constant of proportionality is always the where k is the constant of proportionality. additionally, you can find the constant of proportionality by finding the ratio for any point onasap