Subtract negative 4x squared negative 3x +6 from 5x squared -2-6

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

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

There are 45 questions on your math exam. you answered 810 of them correctly. how many questions did you answer correctly?