Step-by-step explanation:
Since the points are collinear, the sum of CA and AB will be CB.
Answer:
2)y=6
4)36=a
Step-by-step explanation:
8y=48
/8 /8
y=6
18=a/2
*2 *2
36=a
You wanna get x by itself
Answer:
5 and 7
Step-by-step explanation:
5 and 7 are vertical angles. The others are supplementary
Answer: He should have used the mean to determine the average because the data sets are approximately symmetric.
Step-by-step explanation