The formula for simple interest is I=Prt, where I is the interest earned, P is the principal, r is the interest rate and tt is the number of years. Solve the formula for tt in terms of P, I and r

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