GEOMETRY
An obtuse triangle has a side length of 16, and a side length of 21. The third side length is also a positive integer. How many different possible values are there for the third side length?

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?

True or false? a circle could be circumscribed about the quadrilateral below.

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?