activity 2 which is wich! A. order each set of real numbers from least to greatest. 1) -1 , 5,. -2, 9/2, -1.22 2) -9/4, -3, 5/2, 0.25, ✓3 3) ✓2, 6.88, 17/2, 3.14, -6.88 4) 7, 13/2, ✓3, 7.25, -7 5) -64, -✓5, 3.2, -5.8, -1.54​