What is the simplified form of each expression? 1.7m^2 + 6.5n - 4n + 2.5m^2 - n

Anne is twice as old as bill, and bill is 3 years older than christie. the sum of anne s and christie s ages equal 72. find their age difference.?

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

25 ! the line of best fit is h = 5a + 86. predict the height at age 16.