Rationalize the denominator. Assume that all variables represent non-negative real numbers. Make sure you simplify the final answer.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.Find the maximum possible value of f = 2x + 5y subject to the following constraints: 
A. 19
B. 
C. 
D. 10
Mathematics
Solve. Remember to insert units when writing your answer.A carton of phones weighs 44 lb 6 oz. Of this, 2 lb 15 oz is due to packaging. Find the weight of the phones in 
A. 536 lb 3 oz B. 576 lb 14 oz C. 578 lb 6 oz D. 538 lb 11 oz
Mathematics
Solve the problem.
Karen is driving a delivery truck on a straight road. The graph shows the distance y in kilometers that Karen is from Store A after x hours. (i) Is Karen traveling toward or away from Store A? (ii) Find the slope of the line.
A. Toward; slope is -15. B. Away; slope is 60. C. Toward; slope is -30. D. Away; slope is 15.
Mathematics
Solve the equation.2 + 
= 
A. 
B. 
C. 
D. 
Mathematics