Find the cardinal number of the indicated set. Use the cardinal number formula.If n(A) = 4, n(B) = 9 and n(A ? B) = 2, what is n(A ? B)?

A. 13
B. 11
C. 12
D. 10


Answer: B

Mathematics

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Multiply.3.3 × 0.01

A. 330 B. 3.300 C. 0.033 D. 0.33

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Round as indicated. to the nearest ten

A.
B.
C.
D.

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Perform the operation indicated. Simplify. +  - 

A.
B.
C.
D.

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Solve the system using matrices.  x - y + 3z = -8  x + 5y + z = 405x + y + 13z = 10

A. No solution B. (8, 0, 8) C. (8, 8, 0) D. Infinitely many solutions

Mathematics