Answer is <span>x = -7
...................................................</span>
If n is 2, you substitute 2 for n and multiply 5(2)+8= 10 +8 = 18
Pi r2
17 divide 2=8.5
Then
8.5•8.5=72.25
Then
3.14•72.25=226.865
Then
226.865 divide by 2 =113.4325m2
Answer:
Dependent variable is the amount of hours of sleep.
Independent variables are gender, amount of time spent studying, and hours of activity.