Which number line and equation show how to find the distance from 2 to 5?

The circumference of a circle is 5 pi cm. what is the area of the circle?

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

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