2 (x+6) +3x +4 simplified

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

15 points ! ~ see if you know the answer to both you!

11. a particular type of cell doubles in number every hour. which function can be used to find the number of cells present at the end of h hours if there are initially 4 of these cells? a. n = 4 ()" b. n = 4(2)" c. n = 4 + (2)" din = 4 +"