4) HELP ASAP is about cylinders and stuff and I have to wash dishes and stuff so please help me and if you can show work that would be amazing THANK YOU :)

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?

Solve the system of equations y= 3/2 - 1, -x+ y =-3

Find the percent cost of the total spent on each equipment $36, fees $158, transportation $59 a. 14%, 62%, 23% b. 15%, 60%, 35% c. 10%, 70%, 20% d. 11%, 62%, 27%