Answer:

Step-by-step explanation:
we have

step 1
Apply distributive property


step 2
Combine like term


Answer:
21.1%
Step-by-step explanation:
(25 - 24.3) / 1.2 = 0.5833 z score = 78.9%
You need the percent that spend more than 25 hrs per week, so 100 - 78.9 = 21.1%
You would basicly multiply 2.5*2.5. because the formula for area is A=lw. So the answer is 6 1/4
Answer:
B
Step-by-step explanation: