What is the measurement of the angle indicated for each trapezoid.

Which graph has figures that can undergo a similarity transformation to justify that they are similar? (obviously not the third one)

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

Will mark brainliest! ( explain the answer too, it can be one sentence)