I need help please I got 10 minutes to finish

John makes $10.50 pers hour what expression represens how much he will make if he works h hours

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?

Mia’s gross pay is 2953 her deductions total 724.15 what percent if her gross pay is take-home pay