Rewrite the rational expression as an equivalent rational expression with the given denominator.
= 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Use the graph of a known basic function and a horizontal stretch or horizontal compression to sketch the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Identify the operation to perform to the equation to isolate the variable.
= 
A. Divide by 8
B. Multiply by 8
C. Multiply by 4
D. Divide by 
Mathematics
Find the probability.A bag contains 19 balls numbered 1 through 19. What is the probability of selecting a ball that has an even number when one ball is drawn from the bag?
A. 
B. 
C. 9
D. 
Mathematics
Perform the specified calculation.For the vectors u = 
and w = 
, calculate |-5u| - |4w|.
A. 5
- 4
B. 5
+ 4
C. -5
- 4
D. 5
- 4
Mathematics