Combine the complex numbers.(4 - 9i) + (-4 + 9i)

A. 8 - 18i
B. 0
C. -8 + 18i
D. -8 - 18i

Answer: B

Mathematics

You might also like to view...

Determine if the ordered pair is a solution to the given inequality.5x - 6y > -8; (2.5, -3.5)

A. Yes B. No

View
Mathematics

Perform the indicated operation and simplify. - 

A.
B. 6
C.
D.

View
Mathematics

Solve the exponential equation. Use a calculator to obtain a decimal approximation, correct to two decimal places, for the solution.37x = 3.3

A. 5.85 B. 7.61 C. 0.16 D. 0.20

View
Mathematics

Find the area of the figure. Use 3.14 for ?. Round to hundredths if necessary.Isosceles trapezoid

A. 16 sq. ft B. 36 sq. ft C. 15 sq. ft D. 18 sq. ft

View
Mathematics