Idon’t know how to solve this problem

Cole says the distance between points (-5,0) and (0,-5)is 5 units. is he correct? explain why or why not.

An object is accelerating at a constant rate. its velocity in feet per second as a function of time in seconds can be modeled by the linear function v(t) = 2.5t. what does the dependent variable represent for this function? a) acceleration b) distance c) slope d) velocity

Which is the graph of the following inequality?