The annual income for teachers is normally distributed with a mean of $38,000 and a standard deviation of $4000. Of a random sample of 36 teachers is selected, what is the probability that the mean income of this sample is less than $37,000? A) 0.4013
B)0.5897
C) 0.9332
D) 0.0669

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10

cosine

step-by-step explanation:

6 spoons of sugar for every 21 cups of flour

step-by-step explanation:

the answer would be c:   ax + b = ax + c

step-by-step explanation: