Solve.The length and width of a rectangle have a sum of 90. What dimensions give the maximum area?
A. Length 44 and width 46
B. Length 35 and width 55
C. Length 36 and width 54
D. Length 45 and width 45
Answer: D
Mathematics
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Divide and, if possible, simplify. Assume all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.When calculating the time of a loan, if you account for the actual number of days in each month, it is called exact time.
A. True B. False
Mathematics
Use dimensional analysis to convert the quantity to the indicated units. If necessary, round the answer to two decimal places.10 ft to in.
A. 30 in. B. 120 in. C. 360 in. D. 40 in.
Mathematics
Find the derivative of the function.
?
?
A. 
B. ?
C. ?
D. ?
Mathematics