How is (s-t)(s/t) equivalent to (s^2/t) -s

Find each value of the five-number summary for this set of data. [note: type your answers as numbers. do not round.] 46, 19, 38, 27, 12, 38, 51 minimum maximum median upper quartile lower quartile

Which polygon is she in the process of constructing ?

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2