X2 Pls help on edge math due soon also pls help with my other new questoins thxs

If a line is defined by the equation y = 5x + 2, what is the slope?

Use corrrct notations to name the sides

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