Calculate the values of p, q,r and s for each of the following if the two given matrices are the same matrix ​

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.

In a sale there is 25% of all prices a chair costs £45 in sale how much was it before the sale

What is ha theorem a special case of?