2nd time I’m asking! I don’t understand this problem if you can help I would be great full if you could help!

What kinds of numbers make up the set of numbers called the real numbers? give examples when you explain a number type. there are a limited set of types of numbers, but an unlimited number of examples of these numbers.

What is the size of the matrix resulting from

Acar travels at an average speed of 52 miles per hour. how long does it take to travel 299 miles