Answer:
u = -18
Step-by-step explanation:

Multiply both sides by 6.
-5u = 15 × 6
-5u = 90
Divide both sides by -5.
u = -18
87.96 You need the height of the circle which is
14 because 7 is only the radius. And you put it into the equation and solve C=2πr
Answer:
A
Step-by-step explanation:
let me know if this was right or wrong
Hello!
To be perpendicular to x = 4, the line must be y = something. This eliminates answer choices #2 and #4. Also, to pass through the point (.5, 7), the line must be y = 7.
So answer choice #3.
Hope this helps!! Let me know if you have ANY questions.