Multiply.(9 - 3i)(5 + 8i)

A. 69 - 57i
B. -24i2 + 57i + 45
C. 21 - 87i
D. 69 + 57i


Answer: D

Mathematics

You might also like to view...

Find the limit.

A. -?
B. - 
C. 7
D.

Mathematics

Find the missing quantities as requested.Find the radius.

A. 4.71 in. B. 0.75 in. C. 1.5 in. D. 7.07 in.

Mathematics

Find the solution to the system of equations by the substitution method.  5x + y = 0-5x + y = -10

A. (-1, 5) B. (1, 10) C. (-1, -5) D. (1, -5)

Mathematics

Graph the ellipse and locate the foci. +  = 1 

A. foci at (2, 0) and (-2, 0)

B. foci at (3, 0) and (-3, 0)

C. foci at (0, 7) and (0, -7)

D. foci at (0, 3) and (0, -3)

Mathematics