I suck at math, online school is really hard I need to find a tutor, can this be explained?

What is the measure of angle x? answer

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

240 seventh graders and two-thirds of the students participate in after-school activities how many students participate in after-school activities