a number increased by 16 is the same as 3 times the numbera number increased by 16 is the same as 3 times the number

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?

F(x)=x/2-2 and g(x)=2x^2+x-3 find (f+g)(x)

Acircle has a circumference of 28.36 units what is the diameter of the circle