Answer:
75
Step-by-step explanation:
Giving Q was not necessary because you aren't doing P(Q) or anything like that....
Anyways,

Since you're doing p(8), you would replace the x's with 8s.

So your final answer would be 75.
Answer:
Answer is on the pic
Step-by-step explanation:
I hope it's helpful!
Answer:
4/1/5=20 because when you divide by a fraction u keep change the divison into multiplaicton and flip the 1/5 to 5/1 so 4x5
Step-by-step explanation: