If the area shape is 31.5 square units and the base is 7 what is the height

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

1) your friend taylor missed class today and needs some identifying solutions of systems. explain to taylor where to find the solution(s) of any system using its graph 2)taylor graphs the following in desmos and decides that f(x) = g(x) at x = 0, x = 1, & x = 3. f(x) = 2x+1g(x) = 2x2+1 provide taylor some feedback that explains which part of the answer was incorrect and why.

Given lm, find the measure of (award brainliest)