Anybody know a website where i can find all achieve answers? please i’m failing ty !!!

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

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