(-12)1 because of how you break it down
Answer:
7.0909090909 hope this helps!!
Aliaa got a mark of 60 in her first 4 tests, so her total mark is 60 x 4 = 240. On her fifth test, she got a mark of 80.
So her average is:
(240+80)/5 = 320/5 = 64
Her avg is 64 (c).
Answer: 75 degrees
Step-by-step explanation: supplementary means 180 so you do 180-105 which is 75