1.5+6 = 8+a solve for a to make the statement true pleeese helpme

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.

Solve the equation by completing the square. x^2+2x=17

If the perimeter of the garden is 37 ft. the width is x and the length is 15 ft. what is the width of the garden in feet?