Can someone help me with this?

Select the best attribute for the angle pair formed by two parallel lines intersected by a transversal.

Which of the following is missing in the explicit formula for the compound interest geometric sequence below?

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