Answer:
3.1
4.2
5.2
42
Step-by-step explanation: Just copy the other cone and find half of the diameter to find the radius the cones are congruent.
The frequency for this problem would me x2 every time you add on to the chart or go down the chart good luck:)
Answer:

Step-by-step explanation:
Given

Required
Solve for w

In absolution functions;

So, the given expression can be rewritten as

Removing the absolute sign, will gibe
or 
When the second inequality os rewritten, it gives
or 
Reorder both inequalities
or 
Lastly, both inequalities are combined
