1) andrea rents a bike for a day. the rental charges can be determined by
the equation: r = $0.5d, where r is rental charges and dis number of days
she rents the bike. calculate the unit rate.

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