At a real estate​ agency, an agent sold a house for ​$312,000. The commission rate is 4.5​% for the real estate agency and the commission rate for the agent is 25​% of the amount the real estate agency gets. How much did the agency make on the​ house? How much did the agent earn in​ commission?​

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.

How many solutions does the nonlinear system of equations graphed below have? a. one b. zero c. four d. two

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)