Answer:
21
Step-by-step explanation:
21/3 = 7
Answer:
geometric
Step-by-step explanation:
Last time I checked that was about right, but it's been a few years since then.
Answer:
x=94
Step-by-step explanation:
I hope I'm correct. Here's my explanation: x+9 and 2x-111 would equal 180, hence the line (supplementary). So x+9+2x-111=180
x=94
hope this helps.