Help ASAP please Nd thanks

Find the average speed of a rabbit that runs a distance of 22 m in a time of 1.8 s .

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.

Ellen makes and sells bookmarks. she graphs the number of bookmarks sold compared to the total money earned. why is the rate of change for the function graphed to the left?