You use distributive property. So (5 x 2)-(5 x x)= 10 - 5x.
Answer:

Step-by-step explanation:
The volume of a cone is given as:

where r = radius
h = height of cone
The height of the cone is 17.7 cm and its base radius is 7.9 cm (diameter is 15.8 cm).
Its volume is:

pretty sure it’s 108 because each angle of a pentagon is 108
The answer is 251.33in2 but, if those are your only 2 choices it would be the closest one to that number which is 251.20in2