A charity organization has to sell a few tickets to their fundraiser just to cover necessary production costs. After selling 10 tickets they were still at a net loss of $800 (due to production costs). They sold each ticket for $70. Y=net profit
X=tickets sold

How many different triangles can be constructed with the angle measurements of 134° 10° and 36° ?

Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5

Each person in an it department of 25 people works on at least one of 3 major projects: system security, program implementation, platform development. 10 people work on system security, 13 work on program implementation, and 12 work on platform development. 4 people work on system security and platform development, 5 people work on program implementation and platform development, and 2 people work on all three projects. how many people work on system security and program implementation?