Lines pass through the sets of given points. Which choice shows perpendicular lines? A. Line M: (4, 6) and (8, 12)
Line N: (8,5) and (11,7)
B. Line M: (4,3) and (18,6)
Line N: (9, 11) and (12, 15)
C. Line M: (4,3) and (8,6)
Line N: (13, 20) and (16, 16)
D. Line M: (2, 4) and (2, 10)
Line N: (6,5) and (3, 11)

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.

Determine if the function below is continuous. a. continuous b. not continuous, 1 hole c. not continuous, > 2 holes d. not continuous, 2 holes

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank