Respuesta :

Problem 5, QR = 28... QS = 42, and RS = 14, therefore QR = QS - RS, QR = 42 - 14 = 28. For problem 6, X = 5, adding AB and BC together. (2x+3)+(4x-3) = 30, so 6x = 30. AB = 13, plug in x for 2x + 3. BC = 17, plug in x for 4x - 3.