(09.05)
The ages of trees in a forest are normally distributed with a mean of 25 years and a standard
deviation of 4. Approximately what percent of the trees are between 20 and 30 years old? (2 points)
10.56%
68.32%
78.87%
89.44%

The answer is 78.87, sorry for being late.

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

168

step-by-step explanation:

i am pretty sure that the answer is 168