Peyton had 2 pizzas. each pizza is cut into 10 equal slices. she and her friends eat 14 slices. what part of the pizza did they eat? write your answer as a decimal.

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