Solve for side c side a = 30 ft and side b = 40 ft

Which conjunction is disjunction is equivalent to the given absolute value inequality? |x+2|< 18

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

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?