Ok so how do i find x and y in a right triangle with the measurements 45° and the number 3

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

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.

15 and 14.7 are 1 apart, so 15 – 14.7 must be 1.