Simplify. will give BRAINLIEST.

Asphere has a diameter of 10 in. what is the volume of the sphere?

Angela plays soccer and golf for a total of 125 minutes every day. she plays soccer 45 minutes more than she plays golf. part a: write a pair of linear equations to show the relationship between the number of minutes angela plays soccer (x) and the number of minutes she plays golf (y) every day. part b: how much time does angela spend playing golf every day? part c: is it possible for angela to have spent 80 minutes playing soccer every day? explain your reasoning.

Name the property the equation illustrates 7+(4+4)=(7+4)+4