Your answer should be 3a^2 + 5x + 9
Ok, so you automatically know that you are subtracting 6 from 10 to get 4. So, in order to figure out how it is 1/3 of that number, it is going to be multiplied by 3, getting 18. So, the number would be 18.
3x+2y=5.44
it's a two variable problem which can't be solved algebraically unless you are given the weight of one of the balls.
7.81 then 7.14 then 7.081 then 7.002
Answer:

Step-by-step explanation:
