Solve the problem.Softee Blankets charges $6 for shipping orders of $20 or less, $10 for orders from $20.01 to $70, and $15 for orders over $70. One week shipping charges for 520 orders totaled $5120. There were 50 more orders for $20 or less shipped than there were orders for over $70. Find the number of orders shipped at each rate.
A. $20 or less: 290; $20.01 to $70: 110; over $70: 120
B. $20 or less: 170; $20.01 to $70: 230; over $70: 120
C. $20 or less: 230; $20.01 to $70: 170; over $70: 120
D. The numbers cannot be determined from the given information.
Answer: B
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Decide if the answer is reasonable or unreasonable by rounding the numbers and estimating the answer. If the answer is not reasonable, find the correct answer.36.9 ÷ 4 = 92.25
A. Unreasonable, should be 0.9225 B. Reasonable C. Unreasonable, should be 0.09225 D. Unreasonable, should be 9.225
Use a differential to approximate 
.
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Round the result to five decimal places, if necessary.
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Hint: Let 
and compute dy with x = 16 and dx = 0.01.
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Fill in the blank(s) with the appropriate word(s).
From the list below find the expression equivalent to
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?
A. 
B. 
C. 
?
D. 
E. 
Solve the problem.For what numbers x, 0 ? x ? 2?, does cos x = 0?
A. 0, 1, 2
B. 0, 1
C. 
, 
D. 0, ?, 2?