At what point do the graphs of 9x - 2y = 30 and x + 2y = 10 intersect

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?

Given abcd ac=38 and ae=3x+4 find the value of x

Aweekly newspaper charges $72 for each inch in length and one column width. what is the cost of an ad that runs 2 column inches long and 2 columns wide? its not 288