Answer:
what grade is this
Step-by-step explanation:
83 is not divisible by 3, so cannot be the sum of three consecutive integers.
84 is the sum of 27, 28, 29.
The answer is the mean.
"For a data set, the arithmetic mean, also called the mathematical expectation or average, is the central value of a discrete set of numbers: specifically, the sum of the values divided by the number of values."- Wikipedia
Answer:
30
Step-by-step explanation:
use calculator LOL
Answer:
( z - 5 ) ( z - 5 )
Step-by-step explanation:
z² − 10z + 25
= z² − 5z - 5z + 25
= z ( z - 5 ) - 5 ( z - 5 )
= ( z - 5 ) ( z - 5 )
