B is 2,2 A is -1,1 c is 2,-1
F,e and h,i are vertical angles i think.
Answer:
11
Step-by-step explanation:
of 88
= 
= 11
Answer:16.50
Step-by-step explanation: hope it helps
Answer:
68.27%
Step-by-step explanation:
By the Empirical Rule, as 65% and 75% are both one standard deviation apart from the mean of 70%, then this represents 68.27% of the data.
