Can someone me and write and addition and subtraction problem?

What is the simplified expression for 6(2(y+x))

What is the volume of a rectangular prism if the length is 10.4 mm the width is 5 mm in the height is 8 mm

The la dodgers hit the most homeruns in 2014. the number of homeruns accounted for 6% of the entire major leauge baseball homerun count. if 583 total homeruns were hit, approximately how many did the la dodgers hit