Pollsters are concerned about declining levels of cooperation among persons contacted in surveys. a pollster contacts 78 people in the 18-21 age bracket and finds that 66 of them respond and 12 refuse to respond. when 269 people in the 22-29 age bracket are contacted, 250 respond and 19 refuse to respond. assume that 1 of the 347 people is randomly selected. find the probability of getting someone in the 18-21 age bracket or someone who agreed to respond.

What is not true about kl and mn? what is mn? (show )

Mr. brettler is hanging up a 5-foot tall rectangular welcome sign in the gym. he has drawn a sketch on a coordinate grid. he has the lower vertices of the sign at (9, –3) and (–6, –3). where would the upper vertices be on the grid?

Read the excerpt from the strange case of dr jekyll and mr. hyde what do dr. jekyll's thoughts reveal about him in this excerpt? [t]he inmates of my house were locked in the most rigorous hours of slumber, and i determined, flushed as i was with hope and triumph, to venture in my new shape as far as to my bedroom. i crossed the yard, wherein the constellations looked down upon me, i could have thought, with wonder, the first creature of that sort that their unsleeping vigilance had yet disclosed to he is jealous of those who can sleep through the night. he is revered for his scientific advances. he is interested in studying the movements of the stars he is proud and enthusiastic about his initial results.