Plz will give 40 points! astronomers observed a planet orbiting a distant star. they expected the planet to orbit the star approximately 1 7/8 times every 4 earth years. about how many earth years will it takr the planet to orbit the star once? a. 15/32 b. 7 1/2 c. 2 2/15 2/15

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?