Answer:
8
Step-by-step explanation:
2√x • √x = 2x
2•4 = 8
n(A), n(B) and n(AnB) are given and n(AUB)'s complement is asked.
Yes that's right keep working like that and you will get A
Answer:
Step-by-step explanation:
Given
radius of sphere 
Hole is drilled with radius 
Now this drilled hole will be in the form of Cylinder with height equals to diameter of sphere thus
Volume of drilled hole is



Volume of Sphere



Remaining volume 

Answer:
Water flows into a tank according to the rate
Water flows into a tank according to the rate F(t) = (6+t)/(1+t), and at the same time empties out at the rate E(t) = ln (t+2)/(t+1), with both F(t) and E(t) measured in gallons per minute.
Step-by-step explanation: