All of them except B and C. Probabilities must add to 1 and none of the p's can be negative
1.) B
because it says the person buys a ski for 350. He puts down $110 which means to subtract. Now he got a discount which also means to subtract. Then it told that he gave 1/2 them money to his mother. So that too means to subtract.
2.) 2+5n
because it says 2 plus 5 times a number. So 2+5×n
Answer:
I think your answer is 10
Step-by-step explanation: