Apentagon has three angles that are congruent and two other angles that are supplementary to each other. find the measure of each of the three congruent angles in the pentagon

Answer this question, only if you know the answer. 30 points and brainliest!

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10