Consider the Venn diagram below. Find n(A' ? B ? C).

A. 5
B. 8
C. 21
D. 2
E. none of these


Answer: D

Mathematics

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Subtract.-3 - 6

A. -9 B. 3 C. 9 D. -3

Mathematics

Work the problem. Give the answer in scientific notation, rounded to two decimal places, unless otherwise indicated.If the speed of light is 3.00 × 108 m/sec, how long does it take light to travel 2.29 × 1011 m, the distance from the sun to Mars?

A. 7.63 × 102 sec B. 7.63 × 102 min C. 7.63 × 101 sec D. 7.63 × 103 sec

Mathematics

Multiply.(-30) ? (0) ? (-6) ? (3)

A. 0 B. 30 C. 1 D. -30

Mathematics

Solve the problem.A circle of radius r is inscribed in a square with sides 2r as shown in the figure. Express the total of the shaded areas in terms of r and ? as a completely factored polynomial.

A. r2(2 + ?)(2 - ?) B. ?2(4 - r) C. r2(4 - ?) D. r(2-?)2

Mathematics