HELP PLS
If the perimeter of a square is 72 inches, what is its area?

What is the y-intercept of the line given by the equation

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

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?