In the diagram on the right, O is the centre of the largest circle and MN is the diameter. Given the circumferences of circle Y and Z are 264/7 cm and 176/7 cm respectively. Calculate the area, in cm², of the shaded region.

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.

God's gym charges a sign-up fee of $100 plus $30 per month. write an expression to represent how much someone would pay for a membership.

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.