7/10 divide by 5/9 in simplest form

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?

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?