Answer:
D: 10.04 units
Step-by-step explanation:
Short to what is written above
x= y=5-
x+y=5
y=5-x
x-y=a
x-(5-x)=a
2x-5=a
2x=a+5
x=
+y=5
y=5-
Answer:c
option c
(4 - 2i) + (12 + 7i)
multiply the brackets first
4 - 2i + 12 + 7i
combine like terms
16 + 5i