Answer:
40
Step-by-step explanation:
no. of defective light bulbs= 8/100×500
= 40
x = 3.96
apply the pitagoras theorem
x =
1. 13+10i
2. 28-(-4i)
3. -14-1i
4. 4 -i
5. 15+ 10i
6.8 - 5i^2
12x12=144 doughnuts
