B. All real numbers greater than -1
28 of the missing number I would assume that because all the right side number are going up by 3 while all the left side are by 4 so 24+4=28
Answer:
x = 20
Step-by-step explanation:
In similar polygons, all corresponding sides are proportional. The scale factor between AB and DE is the same as between AC and DF.

You can confirm that by plugging it back into the original equation:
