What is the value of 6y-3x when x=1.2 and y=0.3

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?

Which of those sequences is a geometric sequence

Given ab and cb are tangents of p, and m =10°. what is the measure of abp?