The histogram shows the ages of all the workers in a London office. Given that 18 people are in the 40 - 55 age range, work out the total number of people in the office.

Consider circle o, where and . m∠bpd °. °.

Which best describes the function on the graph? direct variation; k = −2 direct variation; k = -1/2 inverse variation; k = −2 inverse variation; k = -1/2

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