What is 439 over 937 in simplest form

Points a, b, and c form a triangle. complete the statements to prove that the sum of the interior angles of triangle abc is 180

Express -5 2/5 as an improper fraction.

Atest consists of 10 multiple choice questions, each with 5 possible answers, one of which is correct. to pass the test a student must get 60% or better on the test. if a student randomly guesses, what is the probability that the student will pass the test?