Answer:
Z= -3 square root 2 + 3i square root 2
Step-by-step explanation:
Tip $6
Total Amount $36
20% of $30 is 6
$30 + $6 = 36
1) y = 12
2) x = 4
3) w = -3
4) k = -35
2160
c. 24
15+9=24