Answer:
B. 65.84
Step-by-step explanation:
You are given the armspan and a relation between that and height. Put the given value in the equation and solve for the unknown.
... 67.5 = 1.123x -6.443
... 73.943 = 1.123x
... 73.943/1.123 = x = 65.84
Riley's height is predicted to be 65.84 inches.
