Find the absolute value of the complex number.z = 4i

A. -4
B. 16
C. 4
D. 4i


Answer: C

Mathematics

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Use the quadratic formula to find the exact solutions.x2 - 14x + 58 = 0

A. 14 ± 6i B. -7 ± 3i C. 10, 4 D. 7 ± 3i

Mathematics

The following table shows the population N of a small town t years after 2000. Use linear regression to model the population as a function of years since 2000.  t 2 3  6 7 N 2852 3038 3703 3982

What will be an ideal response?

Mathematics

Write the number in words.70,146

A. Seventy thousand, one hundred forty-six B. Seven million, one thousand, forty-six C. Seven thousand, one hundred forty-six D. Seven hundred one thousand, forty-six

Mathematics

Given p is true, q is true, and r is false, find the truth value of the statement.~(p ? q) ? ~q

A. True B. False

Mathematics