A box contains one each of $2, $8, $40, $65, and $100 bills. You reach in and withdraw one bill. What is the expected value? Please round your answer to the nearest dollar.
?
$__________
Fill in the blank(s) with the appropriate word(s).
43
Mathematics
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The profit earned when n items are produced is given by the function 
. If increasing production will result in a decrease in profits, what can be said about marginal profit 
?
?
A. is positive.
B. is negative.
C. is zero.
D. is linear.
Mathematics
Solve the problem.The number of gallons of water in a swimming pool t minutes after the pool has started to drain is 
How fast is the water running out at the end of 10 minutes?
A. 500 gal/min B. 5000 gal/min C. 2500 gal/min D. 1000 gal/min
Mathematics
Find the total area of the region between the curve and the x-axis.y = 2x - x2; 0 ? x ? 2
A. 
B. 
C. 
D. 
Mathematics
Match the system of equations with one of the graphs.x2 + 16y2 = 16x2 + y2 = 36
A. 
B. 
C. 
D. 
Mathematics