Which best describes the triangle or triangles, if any, that can be formed with two sides that each measure 5 inches and an angle that measures 60°?
no triangle
one isosceles triangle
one equilateral triangle
two different isosceles triangles?

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?