What is one to one and how do i solve this in steps?

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

Ricky takes out a $31,800 student loan to pay his expenses while he is in college. after graduation, he will begin making payments of $190.66 per month for the next 30 years to pay off the loan. how much more will ricky end up paying for the loan than the original value of $31,800? ricky will end up paying $ more than he borrowed to pay off the loan.

The function below show how much jayna and hannah charge for babysitting. which statement best compares the two plants?