Solve the problem.Integrate 
over the region 0 ? x2 + y2 ? 49.
A. 14?(ln 7 - 1)
B. 28?(ln 7 - 1)
C. 14?(2 ln 7 - 1)
D. 28?(2 ln 7 - 1)
Answer: B
Mathematics
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Write the number in standard form.7(cos 300° + i sin 300°)
A. 
- 
i
B. 
+ 
i
C. 
+ 
i
D. 
- 
i
Mathematics
Solve the problem.After receiving a discount of 12.5% on its bulk order of typewriter ribbons, John's Office Supply pays $2625. What was the price of the order before the discount?
A. $3000 B. $2428 C. $2297 D. $2953
Mathematics
Add the real numbers. Write any improper fraction as a whole or mixed number where appropriate.14
+ 
A. 21
B. 20
C. 6
D. 6
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A person is selected at random from 80 people. The probability a college student is selected is 0.175. How many college students are in the group?
What will be an ideal response?
Mathematics