Answer:
1/3
Step-by-step explanation:
Answer:

Step-by-step explanation:
A line is perpendicular to another if its slope is the negative reciprocal of the other.
Your lines are in slope intercept form here, y=mx+b, where m is the slope. We can see the given line has slope
. The negative reciprocal of that is
, which is the slope of the third answer choice.
Answer:
20+h = 46
Step-by-step explanation:
it doesn't ask to solve it so that's the answer
[A+7= 28] is the correct equation I believe, though I may be wrong.