Simplify the complex fraction.
A. 
B. 
C. 
D. 14
Answer: D
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Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
Consider the following timeline using two processors.
A. This timeline is an illegal schedule. B. This timeline is an optimal schedule. C. This is the timeline one gets using the critical-path algorithm. D. This is the timeline one gets using the decreasing-time algorithm. E. none of these
Rationalize the denominator and simplify. Assume that all variables represent positive real numbers.
A. 
B. 
C. 
D. 
Indicate to which set(s) the number belongs from the following choices: natural numbers, whole numbers, integers, rational numbers, irrational numbers, and real numbers. The numbers may belong to more than one set.- 
A. irrational numbers, real numbers B. integers, real numbers C. real numbers D. rational numbers, real numbers
Simplify.
A. 
B. 
C. 
D. 