Idon't know any of these can y'all give me the answers?

I'll give brainliest if you answer right : )

What is the solution for 6 - 7/8? explain the steps.

F. a fair coin is thrown in the air four times. if the coin lands with the head up on the first three tosses, what is the probability that the coin will land with the head up on the fourth toss? a. 0 b. 1/16 c. 1/8 d. 1/2