Answer:
Step-by-step explanation:
(4+3i)(12-2i)
48 - 8i + 36i - 6i^2
48 + 28i +6
54 + 28i
x = 2y - 7
x + y = 47
substitute x
2y - 7 + y = 47
3y = 54
y = 18
x = 2x18 - 7
x = 29
I believe its 33.60 because if you add up 33.+5% that would give you 33.6 so its 33.60
Hope its right
