Answer:
use circumfrence, look in your notes for the formula as the queastion states
Step-by-step explanation:
8.239 rounded to the nearest tenths = 8.2
She is saving $24!
explanation: multiply .2 (20%) by 120.
Well a long number 1.0989010989011 thats what u get
Answer:

Step-by-step explanation:
The constraints are
The red line represents the function

At 

At 

Two points are 
The blue line represents the function

at 

at 

Two points are 
The other two constraints are
,
. So, the point has to be in the first quadrant
From the graph it can be seen there are two points where the function will be maximum let us check them.




So, the maximum value of the function is
.