Is y = 17 - 20x a function?

Solve for x by completing the square. 2x^2-4x+7=0

Explain step-by-step how to simplify -5(2x – 3y + 6z – 10).

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.