What is the area of a semicircle that has a radius of 30 feet

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

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

What is the area of the triangle 10 13 12