Fill in the blank with one of the words or phrases listed below. Not all choices will be used.
In a(n) 
, the numerator or denominator or both may contain fractions.
A. complex fraction
B. rational expression
C. proportion
D. cross products
Answer: A
Mathematics
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Solve the equation.-7b + 8 + 5b = -3b + 13
A. 13 B. -8 C. 5 D. -13
Mathematics
List all subsets or determine the number of subsets as requested.Determine the number of subsets of {0}
A. 2 B. 0 C. 1 D. 4
Mathematics
Suppose you have the following project digraph. (The numbers in parentheses represent hours.)
The number of tasks in the project is
A. 9. B. 6. C. 8. D. 7. E. none of these
Mathematics
Solve the problem. Express your answer in simplest form.Peter must practice the piano 10
hours per week. He has already practiced 4
hours. How many more hours does he need to practice?
A. 6
hr
B. 5
hr
C. 4
hr
D. 5 hr
Mathematics