Mr. Carter can paint 20 chairs in T hours. He uses 3 liters of paint for every 12 chairs that he painted. Find, in terms of t, the number of chairs that he can paint in 3 hours.

Josh has a rewards card for a movie theater he receives 15 points for becoming a rewards card holder he earns 3.5 points for each visit to the movie theater he needs at least 55 points to earn a free movie ticket which inequality can josh use to determine x, the minimum number of visits he needs to earn his first free movie ticket.

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?

If sin(x) = 0 and cos(x) = 1, what is tan(x)?