Which ordered pair is a solution to the system of equations? Note: Use the substitution method.

{x=1/4y+2−4x+3y=4

(7/2, 6 )

(5/4, 3 )

(−1/4, 1 )

(−11/2, −26/3 )

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?