Rudolpho takes 12 minutes to run 6 times around a 400-meter track.

Assuming he runs at a constant speed, how long does he take to run

1 kilometer?

If a body moves in a straight line according to the law s = 24t + 3t2 - t3, where s is the distance measured in meters from the origin and t is the time in seconds after it starts to move, calculate the body's velocity as a function of time.

Ellen has a bag with 3 red marbles and 2 blue marbles in it. she is going to randomly draw a marble from the bag 300 times, putting the marble back in the bag after each draw.

The sum of 12 times a number and 180 is opposite of 720. What is the number.

Paola is planning her summer vacation. She wants to buy maps and atlases to use in her planning. The maps cost $3.00 and the atlases cost $7.00 each. If she spends $43.00 what combination of maps and atlases can she buy?

How to find horizontal asymptotes with x as an exponent analytically?

Riley's family is putting a rectangular pool in his backyard. The dimensions of the pool will be 12 ft. by 24 ft. by 5 ft. The contractor building the pool needs to know how much lining he needs before starting to pour the concrete.

Find the x and y intercepts of the graph of the equation x^2 + (y-1) ^2=1

Jennifer prepared 28 kilograms of dough after working 4 hours. How much dough can Jennifer prepare if she works for 6 hours? Assume the relationship is directly proportional.

Division and the distributive property 81: 3

Factor completely. tr-7r+tn-7n