Perform the indicated operation. Simplify if possible.
- 
A. - 
B. 
C. 
D. - 
Answer: B
Mathematics
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Solve. Simplify the answer.The front cover of a book measures 8
inches by 6
inches. What is the total distance around (the perimeter of) the front cover of the book?
A. 29
in.
B. 15
in.
C. 30
in.
D. 29
in.
Mathematics
Check the addition. If the answer is incorrect, find the correct answer.
7495
A. Incorrect; should be 7605 B. Incorrect; should be 7505 C. Correct D. Incorrect; should be 7506
Mathematics
Use the properties of logarithms to simplify the expression.ln cos ? - ln 
A. ln 4
B. ln 
C. ln 
D. ln cos ?
Mathematics
Solve the quadratic equation. Write complex solutions in standard form.x2 + x + 4 = 0
A. 
± 
B. - 
± 
C. - 
± 
D. 
± 
Mathematics