Find the LCM by factoring.8, 20
A. 40
B. 20
C. 28
D. 160
Answer: A
Mathematics
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Guess the rule used to change one number into another.
A. n2 + 1 B. n2 - n C. n2 - 1 D. None of the above is the correct rule.
Mathematics
Simplify.
÷ 
A. 
B. 
C. 
D. 
Mathematics
Plot the point.(-1, 2)
A. 
B. 
C. 
D. 
Mathematics
Use the given triangles to evaluate the expression. Rationalize all denominators. 
sec 
- cos 
A. 
B. 
C. 
D. 
Mathematics