The value of Maria's investments increased by 40% in the first year and by a further 20% in the second year. The value of Laura's investments grew 20% in the first year, followed by a gain of 40% in the second year. Both Maria and Laura started out with a $10,000 investment. Find Maria's and Laura's increase.

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