wo buses leave the same station at 8:00 pm. One bus travel north at the rate of 30 kph and the other travels east at 40 kph. How many kilometers apart are the buses at 10 pm?

After t seconds, a ball tossed in the air from the ground level reaches a height of h feet given by the equation h = 144t-16t^2. after how many seconds will the ball hit the ground before rebounding?

Julie was able to walk 16 km through the zoo in 6 hours. how long will it take her to walk 24 km through the zoo?

One positive integer is 2 less than another. the product of the two integers is 24. what are the integers?