How do i solve this? this is grade 9 math.

What is the product? a-3/15a × 5/a-3

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?

Circle a is intersected by lm and mo 60° 155 what is the measure of lmo enter your answer as a decimal in the box. mlmo =