Answer:
B. x = 20
Step-by-step explanation:
angles on a straight line are supplementary
therefore, 6x+9 + 2x+11 = 180
so, 8x+20=180
8x = 160
x = 20
I think this might be the Answer
Answer:
I really hope it will help you....
Step-by-step explanation:
Answer1-we can see that in last two hours the line is downwards so we can easily proof or see that at 11th and 12th are the temperature is lowest.
Answer2-in second one we can see that in hour 1,2,3,4 the temperature has kept on increasing.
Answer 3- between three or four temperature of increasing.