Need help with using the graph to find the numbers Assignment is about evaluating composition of functions from graphs anything helps

The speed of a falling object increases at a constant rate as time increases since the object was dropped. which graph could represent the relationship betweent time in seconds, and s, speed in meters per second? speed of a falling object object over time

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

The wheels of a bicycle have a diameter of 70cm. how many meters will the bicycle travel if each wheel makes 50 revolutions