Find the LCD for the given fractions.
and 
A. 40xy
B. 40xy2
C. 40x2y
D. 40x3y
Answer: C
Mathematics
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Find the exact value of the expression if ? = 30°. Do not use a calculator.f(?) = cos ?Find f(?).
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression. Assume that all variables are positive.
1/4
A. 
B. 
C. 
D. 2x2
Mathematics
Perform the operation indicated. Simplify.
- 
A. 
B. 
C. 
D. 
Mathematics
Match the statement with one of the graphs
The slope of the line is negative, and its x-intercept is negative.
Mathematics