Answer: (-6, 5)
<u>Step-by-step explanation:</u>
Use the Midpoint Formula: 
Separate the x's and y's and solve them individually:

So, the k-coordinate is (-6, 5)
Answer:
C.
Step-by-step explanation:
x^2+20^2=25^2
x^2+400=625
x^2=225
x=15
I believe that x=20 from the math i did hopefully its helpful.
400/100=4 so 4 workers are = to 1%
72×4=288 workers are part time
400-288=112 full time workers