Answer:
You can do this by dividing the radicand by the square number , and multiplying the radical by the root of that number.
e.g.

A.) Mark is correct as every increase in x of 2 equals a y increase of 4
4.75 is the answer list from least to greatest find the number in the middle
<span>a+b=5,
0.1*a+0.25*b=0.2*5
a=5-b
0.1*(5-b)+0.25*b=1
0.5-0.1b+0.25*b=1
0.15*b=0.5
b=3.33333333
a=5-b
a=1.66666667 b=3.33333333</span>