How do you graph this (real answers only)

Ascatterplot is produced to compare the size of a school building to the number of students at that school who play an instrument. there are 12 data points, each representing a different school. the points are widely dispersed on the scatterplot without a pattern of grouping. which statement could be true

If (x-2) 2= 49, then x could be a. -9 b. -7 c.- 2 d. 5 e.9

Solve this problem! extra ! 3025/5.5 = a/90.75 / = fraction