An 544.5
Step-by-step explanation:
Answer:
10x4/n
Step-by-step explanation:
i hope this is right
Step-by-step explanation:
9x - 2x = 8 + 5
7x = 13
x =13÷7
x = 1.8571
approximately = 1.86
I think this is it

I assume take the z score or it would be about 30% because of the 60, 95, 97.5 rule which has a technical name that I can't remember