Answer:
B
Step-by-step explanation:
count how many x^2 there are because they would tell you what your answer is.
Answer 3x3.4
Step-by-step explanation:

Two lines are parallel when their slopes are the same.
Answer:
x = 18
Step-by-step explanation:
The parts of the triangles are proportional, so you can write ...
2x/80 = 27/60
Multiply by 120:
3x = 54
Divide by 3:
x = 18