The measure of ? is 36, because if the perimeter of the triangle is 96 and there are 3 sides subtract the base length of 24 from 96 getting you 72 and divide 72 by 2 getting you 36 because there are 2 other sides that are the same length.
215,000 x 5.2% =11,180 quarterly compounded interested quarter = 4 theres 4 quarters in a year 3years x 4 quarters= 12 quarters 12 quarters x 5.2% of 215,000 = 134,160(compounded interested)+ 215,000(money he owes) = 349,160