D'E'F'G' is a dilation image of DEFG. Which is the correct description of the dilation?

A. center f and scale factor 3
B. center f and scale factor 1/3
C. center d and scale factor 2
D. center d and scale factor1/2

Aregression was run to determine if there is a relationship between hours of tv watched per day (x) and number of situps a person can do (y). the results of the regression were: y=ax+b a=-0.662 b=30.418 r2=0.703921 r=-0.839

Which elements in the set below are integers? 12, –3⁄4,√ 25 , –7, √ 5 , 14⁄7, 9 a. 12, √ 25 , –7, 9 b. 12, √ 25 , –7, 14⁄7, 9 c. –3⁄4, 25 , √ 5 ,14⁄7 d. 12, –7, 9

Ben is three times as old as samantha, who is two years older than half of michel's age. if michel is 12. how old is ben?