Can someone explain how I can solve this?

What is the length of the missing leg in this right triangle? 18 mm 24 mm 26 mm 32 mm

What is the distance between a and b? round your answer to the nearest tenth. a coordinate plane is shown. point a is located at negative 1, 5, and point b is located at 4, 1. a line segment connects the two points.

The area of the map is the product of the length and width. write and expression for the area as the product of the two binomials do not multiply