Solve the problem.The length and width of a rectangle have a sum of 78 feet. What dimensions give the maximum area?
A. Length 29 ft and width 49 ft
B. Length 30 ft and width 48 ft
C. Length 38 ft and width 40 ft
D. Length 39 ft and width 39 ft
Answer: D
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Answer the question.Explain how to construct a parallelogram given two adjacent sides. If it is not possible, explain why.
What will be an ideal response?
Find zw or 
as specified. Leave your answer in polar form.z = 5(cos 200° + i sin 200°)w = 4(cos 50° + i sin 50°)Find 
.
A. 
(cos 40° + i sin 40°)
B. 
(cos 40° + i sin 40°)
C. 
(cos 150° + i sin 150°)
D. 
(cos 150° + i sin 150°)
Solve the problem.At the beginning of the month, Christopher had a balance of $171 in his checking account. During the next month, he wrote a check for $28, deposited $85, and wrote another check for $74. What was his balance at the end of the month?
A. -$154 B. $16 C. -$16 D. $154
Identify the digit with the given place value.475.728ones
A. 70 B. 0.7 C. 2 D. 5