Answer:
The simplified form is,

Step-by-step explanation:
The given expression is,







In highest poer of placholder is 1 then it is linear
1/3x^1-2y^1=7
it is linear
yes it is
1. Getting either all heads or all tails is a 1/1024 chance
2. Rolling a pair of dice and getting a sum of one has a chance of 0
3. Rolling a sum of 5 has a 2 in 21 chance
4. Rolling a sum of 12 has a 1 in 21 chance