Suppose that a sample is taken from a population whose mean value is 48. As the sample size increases, which value will the sample mean approach?
O A. 48
OB. 45
O C. 54
O D. 51

An advertising firm has an old computer that can prepare a whole mailing in 6 hours. with the of newer model the job is complete in 2 hours. how long would it take the newer model to do the job alone?

What is the reflection image of (5,-3) across the line y = -x?

Simplify the expression. -2/5(10+15m-20n)