The rectangle below has a total perimeter of 125 cm:

write an equation and solve it to find the length of the longer side of the rectangle.
2x + 10 = 125; x = 57.5 cm
x + 5 = 125; x = 120 cm
5x = 125; x = 25 cm
25x = 125; x = 5 cm

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

Astuntman jumping off a 20-m-high building is modeled by the equation h=20-5t^2, where t is the same in seconds. a high-speed camera is ready to film him between 15m and 10m above the ground. for which interval of time should the camera film him?

Identify the type of observational study described. a statistical analyst obtains data about ankle injuries by examining a hospital's records from the past 3 years. cross-sectional retrospective prospective