Find the following give you answers to 1 decimal place

The police chief wants to know if the city’s african americans feel that the police are doing a good job. identify the management problem (i.e dependent variable) and identify the independent variable.

Point q is located at (−4,6). point r is located at (8, 6). what is the distance from point q to point r?

Jason jumped off of a cliff into the ocean in acapulco while vacationing with some friends. his height above ocean measured in feet as a function of time could be modeled by the h(t) = -16t2 + 16t + 480, where t is the time in seconds from jumping off. how high is the cliff in feet?