Answer: 2*F Steps: If you add 9 to -7 you get 2. Another way to solve this is by writing 9-7 (the minus seven is just the negative) and you are left with 2
So the chance of getting 1 blue marble is 30% or 3/10, the chance of getting another in a row is also 3/10 since its asking for both youd do 3/10*3/10 = 9/100
