A speedboat can maintain a constant speed of 40 miles per hour relative to the water. the boat makes the trip Downstream in 25 minutes and the return trip Upstream is 35 minutes. what is the speed of the water current a. 2 1/3 mph
b. 3 1/4 mph
c. 3 3/4 mph
d. 5 mph

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