1/3 of the opposite of a number is less than 12

Iam so stuck. what is the worked out answer for this question?

Which graph represents the equation y =4x

Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next