Find the indicated cardinal number.Find n(A × B) given that n(A) = 40 and n(B) = 7.
A. 47
B. 33
C. 54
D. 280
Answer: D
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Show that the set has cardinal number ?0 by establishing a one-to-one correspondence between the natural numbers and the given set. Be sure to indicate the general correspondence.{1, 5, 9, 13, 17, ...}
A.
| 1, | 2, | 3, | 4, 5, ..., n, ... |
| ? | ? | ? | ? | ? ? |
B.
| 1, | 2, | 3, | 4, 5, ..., n, ... |
| ? | ? | ? | ? | ? ? |
C.
| 1, | 2, | 3, | 4, 5, ..., n, ... |
| ? | ? | ? | ? | ? ? |
D.
| 1, | 2, | 3, | 4, 5, ..., n, ... |
| ? | ? | ? | ? | ? ? |
Use the following graph to answer the question.
What is the minimum normal February temperature in Sunny City?
A. -23°F B. 19°F C. -2°F D. 35°F
Solve the problem.If the odds against a candidate winning an election are 5 to 7, then what is the probability that that candidate will win the election?
A. 
B. 
C. 
D. 
Write a mixed number to represent the measurement shown.According to a recent study, 4 out of 16 visits to a hospital emergency room were for an injury. What fraction of emergency room visits were injury-related?
A. 
B. 
C. 
D. 