3(21+15) is 3*21 and 3*15 which equal 63+45 which is 108 dollars
5.09 because 2 is less then 5 so you round down
Because most of them keep on going for infinite. For example,

is an irrational number that goes on forever 3.14159 etc etc etc
Answer:
x = 6
Step-by-step explanation:
2x + 3 = 4x + -9
2x + 3 = 4x - 9
-2x -2x
3 = 2x - 9
+9 +9
12 = 2x
6 = x
You would have 2/10 chance of choosing the sugar cookie then after you chosen it 5/9 chance of picking up a peanut butter cookie. I hope this helps