A post is put every 6 feet along a fence around a regular field that is 42 feet is long and 36feet wide. How many post are needed?

You are assembling pieces of an iron gate to complete a fence. the finished gate will look like the one below. in order to assemble the gate it is important to under how the pieces are related. part 1: how are pies 1 and 2 in the archway related? part 2: how are the rectangular sections 5 and 6 in the center of the gate related to each other?

What is the slope of the line shown below?

Solve 3x-18=2y and 5x-6y=14 by elimination or substitution . show all !