The locations of the values for p and r are shown on the number line. Determine the location on the number line that best represents the sum of p + r. Select a place on the number line to plot the point.

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?