Sam wants to install a zip line across a ravine. one side is of the ravine is 45 feet tall while the other side is 65 feet. if the ravine is 21 feet wide how long must the zip line be?

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Sole with work in 10 years, the average number of hours of tv watched per week by teenagers dropped from 23.9 to 21.4. find the percent of change.

Carmen begins her next painting on a rectangular canvas that is 82.7 cm long and has a area of 8,137.68 cm2. will the painting fit in a frame with an opening that is 82.7 cm long and 95 cm wide? explain