The temperature in Syracuse, NY started at -14°C and rose 2 degrees every hour. The temperature in Mamaroneck, NY started at -2°C and rose 1 degree every 2 hours. Solve this system of equations by substitution.

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

True or false? a circle could be circumscribed about the quadrilateral below.

In a singing competition, there are 150 participants. at the end of each round, 40% of the participants are eliminated. how many participants are left after n rounds?