If all the edge lengths of a rectangular prism are multiplied by a scale factor of 2 , how does the volume change?

And employees salary increase by $4500 which represents a 15% raise what is the employees new salary

The heaviest 16% of all men in weight weigh more than how many pounds ?

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°?