Translate the phrase to an algebraic expression.Nine times a number
A. 9 + x
B. 9x
C. 9 - x
D. 
Answer: B
Mathematics
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Evaluate the sum.
A. 55,260 B. 230 C. 30 D. -230
Mathematics
Show that the set has cardinal number ?0 by establishing a one-to-one correspondence between the set of counting numbers and the given set. Be sure to show the pairing of the general terms in the sets.{3, 7, 11, 15, ...}
A.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
| ? | ? | ? | ? | ? |
| { | 3, | 7, | 11, | 15, | ..., | 4n + 1, | ...} |
B.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
| ? | ? | ? | ? | ? |
| { | 3, | 7, | 11, | 15, | ..., | 3n + 2, | ...} |
C.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
| ? | ? | ? | ? | ? |
| { | 3, | 7, | 11, | 15, | ..., | 3n - 2, | ...} |
D.
| { | 1, | 2, | 3, | 4, | ..., | n, | ...} |
| ? | ? | ? | ? | ? |
| { | 3, | 7, | 11, | 15, | ..., | 4n - 1, | ...} |
Mathematics
Translate the phrase into a mathematical expression and then find the result.The sum of $83 and 
A. 83 - 45; $57 B. 83 + 45; $128 C. 83 + 45; $124 D. 83 - 45; $38
Mathematics
Determine whether the line through each pair of points is parallel.
?
?
A. not parallel B. parallel
Mathematics