Find the product of the given complex number and its conjugate. Write the answer in the form a + bi. - 2i

A.  + 4i
B.
C.
D.  - 4i


Answer: C

Mathematics

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Evaluate the expressing using a unit circle or state that the quantity is undefined. All angles are in radians.csc (- ? )

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

Mathematics

Find the reference angle for ?. ? = - 

A.
B.
C. - 
D.

Mathematics

Solve the problem.Is the line that passes through (-6, -9) and (-1, -7) parallel to the line 

A. Yes B. No

Mathematics

Provide an appropriate response.Give three examples of metric units you encounter in daily life.

What will be an ideal response?

Mathematics