Line a and b are parallel. Line c is perpendicular to line a. Must it also be perpendicular to line b? Explain your thinking.

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

How do the definitions, properties, and postulates you've learned about line segments, parallel lines, and angles to define the shapes of polygons

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*