Supplementary angles add up to 180, so
6x+60+90 = 180 and solve for x
6x= 30
x=5
Answer:
Energy in the United States comes mostly from fossil fuels: in 2010, data showed that 25% of the nation's energy originates from petroleum, 22% from coal, and 22% from natural gas.
Explanation:
It is really self explanitory
answer is three have a nice day
Answer:
you will find answer here
Explanation:
https://www.coursehero.com/file/p5dijkb/propylene-styrene-8-A-repeating-head-to-tail-arrangement-is-not-possible-for/
