Factor x? - 7x2 - 5x + 35 by grouping. what is the resulting expression?
(x2 – 7)(x - 5)
(x2 – 7)(x + 5)
(x2 - 5)(x – 7)
(x2 + 5)(x-7)

Place the following steps in order to complete the square and solve the quadratic equation,

You paid 28.00 for 8 gallons of gasoline. how much would you pay for 15 gallons of gasoline?

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?