For the exponential function A= 0.25*74.3^x, what is the decay factor

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?

Write an inequality for this description. - one fourth of the opposite of the difference of five and a number is less than twenty.

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?