Answer: B
Step-by-step explanation:
variance measures variability from the average or mean. It is calculated by taking the differences between each number in the data set and the mean.','.
Answer:
3
6x10^8/2x10^8
= 3 times
5x-3(x-2)=4
5x-3x+6=4
2x+6=4
2x= 4-6
2x= -2
x = -1
1.5625
