The graph below is one complete cycle of the graph of an equation containing a trigonometric function. Find an equation to match the graph. If you are using a graphing calculator, graph your equation to verify that it is correct.
?
?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: C
Mathematics
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Find the quotient. Write the answer in standard form.
A. 
+ 
i
B. 
+ 
i
C. 
+ 
i
D. 
- 
i
Mathematics
Solve the problem.On a buying trip in Los Angeles, Rosaria Perez ordered 120 pieces of jewelry: a number of bracelets at $7 each and a number of necklaces at $12 each. She wrote a check for $1140 to pay for the order. How many bracelets and how many necklaces did Rosaria purchase?
A. 65 bracelets and 55 necklaces B. 60 bracelets and 60 necklaces C. 70 bracelets and 50 necklaces D. 55 bracelets and 65 necklaces
Mathematics
Divide and, if possible, simplify.
A. 2a20z35 
B. 2a4z7
C. 2a20z35
D. 2a15z30 
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 
C. 
D. 
Mathematics