There are two numbers whose sum is 73. Three times the smaller number is equal to 19 more than the larger number. What are the numbers?

Data was collected on myrtle beach for 11 consecutive days. each day the temperature and number of visitors was noted. the scatter plot below represents this data. how many people visited the beach when the temperature was 84 degrees?

If f(x)=x^3 and g(x)=2x+7 when g(x)=-5

Can any one me with the answers to these questions asap?