Write the expression in the standard form a + bi.Given z = 7 + 5i and w = -3 + i, evaluate 
.
A. -10 - 4i
B. 4 + 6i
C. 10 + 4i
D. 10 - 4i
Answer: D
You might also like to view...
Use the two steps for solving a linear programming problem to solve the problem.A doctor has told a sick patient to take vitamin pills. The patient needs at least 28 units of vitamin A, at least 7 units of vitamin B, and at least 20 units of vitamin C. The red vitamin pills cost 
each and contain 6 units of A, 1 unit of B, and 2 units of C. The blue vitamin pills cost 
each and contain 4 units of A, 1 unit of B, and 5 units of C. How many pills should the patient take each day to minimize costs?
A. 5 red and 2 blue B. 7 red and 0 blue C. 2 red and 5 blue D. 6 red and 1 blue
431 is equal to which of the following binary numbers?
a. 0110011012 b. 1111010112 c. 1101011112 d. 1101110112 e. 1011011002
Predict the display a calculator would give for the expression shown in the screen. .0000062
A. 62E6 B. 6.2E6 C. 62E-6 D. 6.2 E-6
A table for two equations is given. Identify the solution to both equations.
A. (2, 2) B. (1, 1) C. (2, 1) D. (1, 2)