Find the number of proper subsets of the set.{5, 6, 7}
A. 6
B. 7
C. 5
D. 2
Answer: B
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Add a constant term to the expression to make it a perfect square.x2 + 18x
A. 18 B. 81 C. 9 D. 324
Use the bar graph to answer the question.The bar graph illustrates the number of minutes of cell phone usage during selected months. How many minutes were used during the month of February?
A. 14 B. 21 C. 35 D. 31
Solve the problem.The following statement appears in the instructions for a game: At this time, points are scored but the next round does not begin. Write the negation of the statement.
A. At this time, points are scored or the next round does not begin. B. At this time, points are not scored and the next round begins. C. At this time, points are not scored or the next round begins. D. At this time, points are scored and next round does not begin.
Express as a sum of logarithms.log4 9x
A. log4 9 + log4 x B. log2 9 - log2 x C. log2 9 + log2 x D. log4 9 - log4 x