How many squares with sides that are 6 inches long are needed to cover a square with a side length of 30 inches without overlapping

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°?

What is the value of x in the following equation. -x ^3/2 = -27

What are the domain and range of the function f(x)=2^x+1