Find the value of X

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Me asap! what is the slope of this line? enter your answer in the box.

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.