The price p of a pizza is $7.25 plus $0.90 for each of the t toppings on the pizza

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

According to modern science, earth is about 4.5 billion years old and written human history extends back about 10,000 years. suppose the entire history of earth is represented with a 10-meter-long timeline, with the birth of earth on one end and today at the other end.

What is the missing step in this proof ?