By the way the 5-3 thing I was just testing it out I swear I’m not dumb

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. how many hours after the truck's departure will the two meet?

Solving algebraic equations 2m+3=11

If a line is defined by the equation y = 5x + 2, what is the slope?