Aflare is launched from a boat. the height, , in meters, of the flare above the water is approximately modelled by the function, where is the number of seconds after the flare is launched. how many seconds will it take for the flare to return to the water?

The long handle on a rake is a(n) a. lever b. screw c. wedge d. inclined plane

Africtionless piston-cylinder contains 50 l of saturated liquid r-134a. the piston has a mass and an area resulting in an applied pressure of 500 kpa on the refrigerant. the refrigerant is now heated until its temperature rises to 70∘c. calculate the work (in kj) done during this process.

Write a polynomial function with the given zeros x= -1,0,2show your work