The height of a small rise in a roller coaster track is modeled by () = −. + . + . , where x is the distance in feet from a supported pole at ground level. Find the greatest height of the rise.

Given: ac and db are diameters. m∠3=

Look at arnold's attempt to solve the equation for b: 3b = 12 b = 3 · 12 b = 36 describe the mistake that arnold made.

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours