Perform the indicated operation. Assume that all variables are nonnegative.5
? 6
A. 30
B. 3630
C. 330
D. 330
Answer: C
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Solve the problem.Write an algebraic expression for the area of the rectangle. 
ft
A. 
ft2
B. 
ft2
C. 
ft2
D. 
ft2
Find the limit 
if it exists.
What will be an ideal response?
Solve the problem.Marianne is planning a shopping trip to buy birthday gifts for her son. She estimates that the total price of the items she plans to purchase will be between $350 and $400 inclusive. If sales are taxed at a rate of 8.375% in her area, what is the range of the amount of sales tax she should expect to pay on her purchases? If Marianne's budget for the shopping trip is $425, will she necessarily be able to buy all the gifts that she has planned?
What will be an ideal response?
Solve the problem.A rectangular enclosure must have an area of at least 1400 yd2. If 180 yd of fencing is to be used, and the width cannot exceed the length, within what limits must the width of the enclosure lie?
A. 20 ? w ? 45 B. 0 ? w ? 20 C. 20 ? w ? 70 D. 45 ? w ? 70