Evaluate 3.2 + 6 to the second power minus 2 * 7.2 show your work will mark brainiest

The circumference of a circle is 5 pi cm. what is the area of the circle?

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

Does anyone know how to solve and graph this: 4 + | a + 2 | < 7the only part i don't get is the "4 +"