Answer:
1. 72 
3. 79 
Step-by-step explanation:
The mean is found by dividing the sum of the inputs by the total number of inputs.
Answer:
Need to see the picture
Step-by-step explanation:
Answer: U=39
Step-by-step explanation:
6=u -15/4
cross multiply ✖
U-15=6*4
U-15=24
U=24+15
U=39
Answer:
200
Step-by-step explanation:just cause