An object is launched from a platform. Its height (in meters), x seconds after the launch, is modeled by: h(x)=−5x2+20x+60 what is the height of the object at the time of the launch (answer in meters)

Determine whether the graphs of y=8x+5 and -y=8x-5 are parallel, perpendicular, coincident, or none of these. a. coincident b. parallel c. perpendicular d. none of these

Ade and abc are similar. which best explains why the slope of the line between points a and d is the same as the slope between points a and b?

David is standing on the sixth rung of a ladder while painting his house. which expressions represent a change in david’s position of 2 rungs on the ladder? choose exactly two answers that are correct. a. 6+2 b. 6-2 c. 2x6 d. 6/2