Multiply and write the result in standard form.(9 + 3i)(6 - 9i)

A. 27 + 99i
B. 81 - 63i
C. -27i2 - 63i + 54
D. 81 + 63i


Answer: B

Mathematics

You might also like to view...

Provide an appropriate response.Over what intervals of x-values, if any, does the function y =  decrease as x increases? For what values of x, if any, is y ' negative? How are your answers related?

What will be an ideal response?

Mathematics

Solve for x using an equivalent exponential expression.Find the volume of a box in the shape of a cube that is 9 feet on each side.

A. 729 cu ft B. 81 cu ft C. 27 cu ft D. 162 cu ft

Mathematics

Find the exact value under the given conditions.sin ? = , 0 < ? < ; cos ? = , 0 < ? < Find cos (? + ?).

A.
B.
C.
D.

Mathematics

Provide an appropriate response.Not all mortgages are paid on a monthly basis.

A. True B. False

Mathematics