At a table tennis tournament, two games went on for a total of 32 minutes. One game took 12 minutes longer than the other. How lond did it take to complete each game? Use letters to represent the unknowns.

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