Step-by-step explanation:
the square root of 15 is 3.873
when rounded to the nearest tenth the answer is
3.9
The rule is +3, if you look at the outputs if you add 3 to -11 it becomes -8 and so on.
Answer:

Step-by-step explanation:
The volume of a cylinder is:

where
is the radius and
is the height.
The height is 4 inches greater that the radius, so:

Substituting this in the formula for volume:

the volume is 
thus:

Dividing everything between pi:


We can see that the solution for this is 
since 
We have the radius, now we find the height:


Answer:
what did he originally start with?
Step-by-step explanation:
It doesn't matter if there is 0, you still flip the inequality symbol.
-3z <span>≥ 0
z </span>≤ 0