Answer:
20
Step-by-step explanation:
3 because when x=2 the lines are at y 1 and 3, but the y 1 isn't shaded, so the answer is 3
54
3x3= 9x6= 54
1/3x=1/6
x/3=1/6
cross multiply
6x=3
divide both sides by 6
x=3/6
x=1/2
