Does the point (3,-1) lie on the circle (x+1)2 +(y-1)2=16?

Which of these triangle pairs can be mapped to each other using two reflections?

Pamela has a 30-year, 5.75% mortgage on her $250,000 home. she has been paying on it for 5 years, and has recently hit some financial trouble. if her lender agreed to lower the interest rate on her $231,905.47 balance to 5.5%, what will her new payment be for the remainder of the loan?

Add. express your answer in simplest form. 12 9/10+2 2/3 = i need u guys to me find the answer to this question