Which theorem justifies this conclusion? given: measure of angle 1 + measure of angle 2 = 180º measure of angle 2 + measure of angle 3 = 180º conclusion: angle 1 is congruent to angle 3?

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 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !

What does the sign of the slope tell you about a line?