List the elements of the set.The set of all multiples of 3
A. {0, 3, 6, 9, 12, . . .}
B. {. . . , -12, -9, -6, -3, 3, 6, 9, 12, . . .}
C. {3, 6, 9, 12, . . .}
D. {. . . , -12, -9, -6, -3, 0, 3, 6, 9, 12, . . .}
Answer: D
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Multiply.(-30) ? 0
A. 30 B. 1 C. -30 D. 0
Solve the equation.3(x + 4) = 4(x - 6)
A. {4} B. {-12} C. {-36} D. {36}
Insert < or > to write a true statement.9.06 
-9.06
A.
| 9.06 < -9.06 |
B.
| 9.06 > -9.06 |
Solve the problem.List all the combinations of 4 objects 1, 2, 3, and 4 taken 3 at a time. What is C(4, 3)?
A. 111, 112, 113, 114, 121, 122, 123, 124, 131, 132, 133, 134, 141, 142, 143, 144, 211, 212, 213, 214, 221, 222, 223, 224, 231, 232, 233, 234, 241, 242, 243, 244, 311, 312, 313, 314, 321, 322, 323, 324, 331, 332, 333, 334, 341, 342, 343, 344, 411, 412, 413, 414, 421, 422, 423, 424, 431, 432, 433, 434, 441, 442, 443, 444 C(4, 3) = 64 B. 123, 124, 134, 234, 321, 432 C(4, 3) = 6 C. 123, 124, 132, 134, 142, 143, 213, 214, 231, 234, 241, 243, 312, 314, 321, 324, 341, 342, 412, 413, 421, 423, 431, 432 C(4, 3) = 24 D. 123, 124, 134, 234 C(4, 3) = 4