Use the diagram to find the indicated angle measures. please help didn’t understand the video one bit and i don’t know how to do this

At his new job, jeremiah can choose an hourly rate of $9 plus a $50 weekly bonus for opening the store, or an hourly rate of $10 per hour with no opening bonus. the equations model his salary options. y = 9x + 50 y = 10x

Atriangular bandana has an area of 46 square inches. the height of the triangle is 5 3 4 inches. enter and solve an equation to find the length of the base of the triangle. use b to represent the length of the base.

For f(x)=2x+1 and g(x)= x^2 -7, find (f•g)(x)