In △ABC, if AC¯¯¯¯¯¯¯¯ ≅CB¯¯¯¯¯¯¯¯, m∠A=3x +18, m∠B=7x−58, and m∠C=2x−8,find x and the measure of each angle.

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.

Mrs. blake's bill at a restaurant is $42.75. she wants to leave the waiter an 18% tip. how much will she pay in all, including the tip?

The graph represents f(x)=[x]+3. what is f(-2.2)?