In general the air temperature decreases 12 degrees f for every 4000 feet increase in altitude. if a hiker climbs 3000 feet by how much can she expect the temperature to decrease?

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?

Abouncy ball is released from a certain height. on the first bounce, it travels 32cm. with each subsequent bounce, it travels 9/10 the distance of the previous bounce. what is the total distance that the ball has traveled when it completes its 25th bounce?