What is another way to express the difference between -5 and 8?

What is the slope of the line shown below?

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom

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