Kiko is coasting on her bicycle down a hill. after 3 s, her speed is 10 m/s. after 8 s, her speed is 25 m/s. what is her acceleration during this time?

In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. if the the flagpole is 18 ft tall, how tall is the building? round the the nearest tenth.

Can someone answer and tell me how to do this (will mark brainliest)

The equation y equals 11 x represents the calories jake burns when cross country skiing, where x is time in minutes and why is the number of calories. the graph shows the calories he burns while playing basketball which activity burns at a faster rate? explain