Specialization occurs when a person or a business focuses on providing one product or service that they are good at? true or false

Aball is thrown upward in the air, and its height above the ground after t seconds is h ( t ) = 57 t − 16 t 2 feet. find the time t when the ball will be traveling upward at 14.25 feet per second.

Which features on mars point to the possibility of liquid water on the planet? impact craters with sharp rims volcanic cones with craters gullies and stream-like channels mountain ranges with faults

In which type of system is power held solely by the central government and not shared with regional governments? group of answer choices federal unitary confederate oligarchic