How many rays make a right angle? a) 0 b) 1 c) 2 d) not enough information

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

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.

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