One coin is flipped four times. what is the probability of flipping two heads and two tails?

Which inequality comparing two of the expressions is true when 0.7 < x < 0.9

Ineed in figuring out this problem.

Will give brainliest for correct answer 8. use the distance time graph to answer these questions: a. what does the graph tell us about the velocity of the car? b. what is the average velocity of the car? (show work) c. is the velocity reflected in the graph positive or negative?d. is there any point on the graph where the car is not moving? how do we know?