13
good job. really excelling :)
Answer:

Step-by-step explanation:
Given:

We want to find the value of
.

The one that makes the most sense is C
Answer:
-3
Step-by-step explanation:
Isolate -3y by subtracting x from both sides
-3y = -18 - x
Divide everything by -3
y = 6 + 1/3x
Slope is 1/3, and perpendicular lines have the reverse reciprocal slope, so our slope is -3
Answer:
72
Step-by-step explanation:
i thinkkkk im on this unit too in geometry