in a scale drawing a tree a height of 3 inches the actual height of the tree is 18 feet what is the scale of drawing

What is the equation of the graph below? y=sec(x)-4

Which of the following tables represents exponential functions?

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?