Given two lines 'a' and 'b', where line 'a' is perpendicular to line 'b! If line 'a' contains the points (1,-5) and (3, 1), answer the following questions.

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab

Jack has a piece of red ribbon that is two times as long as his piece of blue ribbon. he says that he can use two different equation to find out how long his piece of red ribbon is compared to his piece of blue ribbon is. is he correct? explain his reasoning

Write a function for a rotation 90 degrees counter clockwise about the origin, point 0