17)
x² + 8 = -8
x² = -8 - 8
x² = 16
x = ±√-16
x = ±√16i
x = <span>±4i
</span>
18)
x² + 5 = -3
x² = -3 - 5
x² = -8
x = ±√-8
x = ±√8i
x = ±2√2i
19)
x² + 3 = 0
x² = -3
x = ±√-3
x = <span>±</span>√3i
hope this helps, God bless!
Time from October 5 to January 16
T=26+30+31+16=103 days
I=1870*0.11*103/365=58.05
The formula for volume is v=lwh
Answer: $2405
Step-by-step explanation: explanation is in the attached picture file