In the figure, x is an exterior angle to the triangle below. A) explain why x is equal to the sun of the measures of the two no adjacent interior angles. you need to present the algebra that proves this theorem.

B) what is m

Will mark the brainliest.paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each?