Find the diameter of the object.

diameter: ___ cm

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

Don't know how to find x given these segment lengths

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.