Perform the indicated operation and, if possible, simplify.
÷ 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Provide an appropriate answer.Use the following frequency distribution to determine the midpoint of the fifth class.
A. 28.5 B. 29.0 C. 31.5 D. 30.5
Mathematics
Solve.Karen went shopping for holiday presents for her family. She spent $259 on Monday, $142 on Tuesday, and $150 on Wednesday. What is the total amount of money that she spent on gifts?
A. $541 B. $651 C. $441 D. $551
Mathematics
Describe the graph of the polar equation.r2 = 42r cos ?
A. Circle of radius 21 and center (0, 21) B. Horizontal line passing through (0, 42) C. Circle of radius 21 and center (21, 0) D. Vertical line passing through (42, 0)
Mathematics
Solve the equation for all values 0 ? x ? 2?.sec 
= cos 
A. x = 
, 
B. x = 0, 2?
C. x = 0, 
, ?, 
D. x = 
, 
, 
, 
, 
, 
, 
Mathematics