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