Rationalize the denominator of the expression. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Convert the measurement as indicated.68 ml to liters
A. 6800 L B. 0.68 L C. 0.068 L D. 68,000 L
Mathematics
Use the graph to evaluate the expression.Find (f + g)(-5) and (f - g)(-4).
A. (f + g)(-5) = 5; (f - g)(-4) = 1 B. (f + g)(-5) = 5; (f - g)(-4) = -3 C. (f + g)(-5) = -5; (f - g)(-4) = -21 D. (f + g)(-5) = 55; (f - g)(-4) = 53
Mathematics
Decide what number must be added to the binomial to make a perfect square trinomial.x2 - 
x
A. - 
B. 
C. 
D. - 
Mathematics
Find the derivative.y = 
- 
A. 
= - 
- 
B. 
= - 
+ 
C. 
= -5x - 
D. 
= 
- 
Mathematics