Answer: D
"Separating the students on the list into boys and girls and choosing a sample from each group that is proportional to the size of the group."
Step-by-step explanation:
You are sampling an equal amount of boys and girls since your getting an equal sample of each gender. (Not random)
Step-by-step explanation:
without seeing a picture I'm guessing 45 45, and 90
The answer is was he number is being divided by 10
In any linear equation the coefficient of the x-term represents ALWAYS the slope.
So it is B. The slope of the line
If you're trying to get x your answer would be -21.