If f(x) is a linear function ,which statement must be true?

What number line represents the solution set for the inequality -1/2 greater than or equal to 4

Y= 4x + 3 y = - 1 4 x - 5 what is the best description for the lines represented by the equations?

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?