Let x represent the number of years since 2000 and let y represent the number of coins in a coin collection. The number of coins in the collection from 2000 to 2010 can be modeled by the function y = 3x2 + 11x + 25. In what year did the coin collection have 155 coins?

The highest point on earth is the peak of mount everest if you climb to the top you would be approximately 29,035 feet above sea level at remembering that amount is 5280 feet percentage of the height of the mountain would you have to climb to reach a point 2 miles above sea level

Aclassroom is made up of 11 boys and 14 girls. the teacher has four main classroom responsibilities that she wants to hand out to four different students (one for each of the four students). if the teacher chooses 4 of the students at random, then what is the probability that the four students chosen to complete the responsibilities will be all boys?

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?