Layla walks at a rate of 3 miles per hour. At this rate, how far he walk in 4 hours

Write an equation in point-slope form for the line through the given point that has the given slope (-2,-7); m=-3/2

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?

Abook store is having a 30 perscent off sale. diary of the wimpy kid books are now 6.30 dollars each what was the original price of the books