If a quadrilateral has these known angle degrees: 35, 35 and 145, what are the degrees of the fourth angle?

4+(2+x) can you me solve this problem

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.

Afactory buys 10% of its components from suppliers b and the rest from supplier c. it is known that 6% of the components it buys are faulty. of the components brought from suppliers a,9% are faulty and of the components bought from suppliers b, 3% are faulty. find the percentage of components bought from supplier c that are faulty.