Evaluate the expression.18 + 2 - (-2)
A. 18
B. 14
C. -22
D. 22
Answer: D
Mathematics
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How many ways are there to arrange 12 students into groups of 3? ?
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Perform the following operation.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
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Use mathematical induction to prove that the statement is true for every positive integer n.If 0 < a < 1, then an < 1.(Assume that a is a constant.)
What will be an ideal response?
Mathematics
Solve the problem.Sam estimates that if he leaves his car parked outside his office all day on a weekday, the chance that he will get a parking ticket is 11%. If Sam leaves his car parked outside his office all day next Tuesday, what is the chance that he will not get a parking ticket?
A. 89% B. -11% C. 11% D. 1.21%
Mathematics