Answer:
The answer is 80.
Step-by-step explanation:
Firstly we add all of the stamps
118+83+4=205
She put 125 in first album so we have
205-125=80 stamps left
These 80 she needs to put in another album
It is given in the question that the solid is a cone with height of 16 units and radius of 7 units .
The formula of volume of cone is

To find the volume, we substitute the given values of r and h and use 3.14 for pi. That is

And that's the required volume of the cone .
(-1/3,0)for the x intercept and (0,-2) for the y intercept
Through a geometric proof, 2(55x-1) = 107x+1
110x-2=107x+1
3x=3
x=1
Angle DEF is 54 degrees.