Which graph represents 4x+7y≤ - 21 ?

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.

Which point has an coordinates of (2,0) ? a

The product of (7x-2) and (20-3x)/4. when x=4