What are the dimensions of the rectangle below with an area of 10x^2+13x-3

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.

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²