<span>20 Cups = 160 Fluid Ounces
</span><span>20 cup = 10 pint US, liquid
</span><span>20 cup = 5 quart US, liquid</span>
K^2 +3k +5k + 15
k (k+3) +5 (k+3)
(k+5)(k+3)
So, the correct option is the last one.
Angle of depression=14°
height of tower=h=140 ft
tan(14°)=x/140
x=34.906 ft (distance from tent to the base of tower)