Find the product of the complex number and its conjugate.-2 + 2i

A. 9
B. 11
C. 0
D. 8


Answer: D

Mathematics

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Solve the problem.If Jefferson's method is used to apportion 200 legislative seats to four states with the populations given in the table, then a violation of the quota criterion occurs.The apportionment for which state violates the quota criterion?

A. b B. a C. d D. e

Mathematics

Solve the problem.Determine whether the ordered triple  is a solution of the system of equations.9x + 6y + 9z = 56x + 3y - 3z = 14 x - y + 2z = -3

A. No B. Yes

Mathematics

Indicate whether the graph represents a one-to-one function.

A. Yes B. No

Mathematics

Use the addition property of equality to solve the equation.x + 1 = 19

A.
B. 20
C. 18
D. -18

Mathematics