Solve the equation.
= 
A. {
, - 
}
B. ?
C. {- 
, 
}
D. 
Answer: A
Mathematics
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Multiply and simplify.
? 108x
A. 
B. 
C. 6,804x
D. 
Mathematics
Use set statements to write a description of the shaded area. Use union, intersection and complement as necessary.
A. A - B B. B - A' C. A ? B' D. B ? A'
Mathematics
Use the given information to find the exact value of the trigonometric function.sec ? = 4; The terminal side of ? lies in Quadrant I.
Find cos 
.
A. 
B. 
C. 
D. 
Mathematics
Solve.Randy invested his inheritance in an account that paid 
interest, compounded continuously. After 5 years, he found that he now had 
. What was the original amount of his inheritance?
A. $35,670 B. $23,185.50 C. $34,670.00 D. $36,670.00
Mathematics