Perform the indicated operations and write the answer in the form 
where a and b are real numbers.(6 + 3i) - (-9 + i)
A. -15 - 2i
B. 15 + 2i
C. 15 - 2i
D. -3 + 4i
Answer: B
Mathematics
You might also like to view...
Multiply the expressions.(5a + 3c)(5a - 3c)
A. 25a2 - 30ac - 9c2 B. 25a2 + 30ac - 9c2 C. 5a2 - 3c2 D. 25a2 - 9c2
Mathematics
Convert the improper fraction to a mixed number.
A. 5
B. 4
C. 4
D. 3
Mathematics
Provide an appropriate response.In the circuit represented by the diagram, find the total current It if Ir = 76 A. All units are in amps. 
A. 125.4 amps B. 57.9 amps C. 95.5 amps D. 46.1 amps
Mathematics
Solve the linear inequality. Express the solution in set-builder notation.4x + 10 < 30
A. {x|x < 5} B. {x|x ? 5} C. {x|x ? 5} D. {x|x > 5}
Mathematics