Answer the question about percent. Round to the nearest whole number where necessary.108 is 42% of what number?

A. 25,700
B. 257
C. 2570
D. 4


Answer: B

Mathematics

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Solve the problem.Let R ={(x, y): 1 ? x < 6, 0 ? y < 8}. Evaluate dA, where f is the function 

A. 315 B. 40 C. 291 D. 507

Mathematics

Write the expression as a sum of two logarithms.log4 (256 ? 64)

A. log4 4 + log4 3 B. log256 4 + log64 4 C. log4 256 + log4 64 D. log4 256 + log4 64 + log4 4

Mathematics

Determine the size of the sample space for the experiment described.A 6-sided die is rolled. The sides contain the numbers 1, 2, 3, 4, 5, 6. State the number of elements in the sample space of rolling one die.

A. n(S) = 1 B. n(S) = 6 C. n(S) = 36 D. None of these

Mathematics

Write the expression in the standard form a + bi.If z = 8 - 7i and w = 6 + 4i, evaluate .

A. 14 + 3i B. 14 - 3i C. -14 + 3i D. 2 + 11i

Mathematics