What is 15 scaled up by a factor of 10?

The line y = x + passes through (−3, 7) and is parallel to y = 4x − 1.

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°?

Witch represents the inverse of the function f(x)=1/4x-12