In the diagram, the vertices of the square lie at the centers of the four partial circles. what is the area of the entire shape, rounded to the nearest hundred? use the value = 3.1416.

What is the sum of these mixed numbers 2 1/8 + 4 3/8

The width of a rectangle is half as long as the length. the rectangle has an area of 18 square feet. what are the length and width of the rectangle?

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