I really need help pls help

first spot 10, second 16, third 18, fourth 22

The expression that represents the table is

y=4+2x

when x=3

y=4+2(3) = 10

When x=6

y=4+2(6)= 16.

Do this for all the values of x and you'll get the corresponding value for y

10

16

18

22.

Your answer would be

3

step-by-step explanation:

divide 13.5 by 9 to get the scale factor. it equals 1.5

2 * 1.5 = 3