Write the equation of the line, in y mx b   form, that passes through each set of points. First, find the slope, m. Then, use one of the points and the slope to find the y-intercept. Finally, write the full equation.

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?