Pls help soon as possible 100 points

Rose and andrew are financing $128,000 to purchase a condominium. they obtained a 15-year, fixed-rate loan with a rate of 5.05%. they have been given the option of purchasing up to four points to lower their rate to 4.81%. how much will the four points cost them?

Solve the equation for x by graphing.2^x – 4 = -4^x + 4

Aubrey read 29 books and eli read 52 books what number equals to the number of books aubrey read