I need help with the answer

When a rectangle is dilated, how do the perimeter and area of the rectangle change?

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?

What is the inverse of the function f(x) = 2x + 1?