To scale them up by 5 you just have to multiply...
.05 x 5 = .25
1/2 x 5 = 5/2 = 2 1/2 = 2.5
7 x 5 = 35
13 x 5 = 65
25 = 125
102 = 510
This one is D.
The y-intercept has to be below 20 and the slope has to be above 1.
Half of the question is not there