Yesterday Jack drove 39 1/2 miles. He used 1 1/4 gallons of gasoline. What is the unit rate for miles per gallon?

What are the domain and range of f(x)=[1/5]x

Use the elimination method to find the solution to the system of equations. 2x - 3y = -9 -x + 3y = 6

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?