Answer:
B: Sampling without replacement will result in a standard deviation less than but close to √0.4(0.6)/500
.Step-by-step explanation:
answer on khan academy
The equation is
5x - 13 = 3x + 21
when solved, we get
x = 17
Answer:
B
Step-by-step explanation:
You can divide the larger number by the smaller number for all of them and see if they all match. If they dont then its not porportional.