pollsters take a survey of people at a ball game to collect and analyze data about favorite leisure activities of state city’s residents. would this study be biased?

12 point are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr?

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2