A photocopy machine can copy 42 pages every two minutes. How many pages can it photocopy in 5 minutes?

Answer choices
4.2
420
105
21

Standard deviation is best described as

A. the difference between the number and the mean.

B.the sum of the differences between the numbers and the mean.

C. the square root of the sum of the differences between the numbers and the mean squared and divided by the number of terms.

D.the square root of the mean divided by the Z-Score times the sum of the numbers.

Step-by-step explanation:

x^6

step-by-step explanation:

this is correct because:

x-6=0

0*x=0

so

x^6

i think it will be zero as slope has a formula of difference between initial and final distance divided by itz time interval