Mary decreased her time in the mile walk from 20 minutes to 17 minutes. What was the percent of decrease?

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?

Bo is buying a board game that usually costs bb dollars. the game is on sale, and the price has been reduced by 18\%18%. what could you find the answer?

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