Answer:
Step-by-step explanation:
both angles must add up to 180 so
6x+12+3x+63 must =180
= 9x+75
9x+75=180
-75 -75
9x=105
x=11.66
meaning A is approximately 81.96
Answer:
n+1=x-1
Step-by-step explanation:
as n goes up, x decreases by 1 each time
Answer:
6-5 = 7-6
Step-by-step explanation:
I'm only answering because the app told me i need to help someone before I can ask another question, but I can't help because I don't know what to help you with so
It is 10 more in the thousands than the hundreds... multiply 100 x 10...
