Can someone give me a solution to this

What number should be added to both sides of the equation to complete this square? x^2-10x=7

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°?

Rewrite the equation x = 65 - 60p by factoring the side that contains the variable p.