In how many different ways can you answer a multiple choice test that has 5 questions and 3 choices for each answer?

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 distance between the point (-3,-4), and (see the picture below)

The ratio of the height of two similar cylinders is 4 to 3 what is the ratio of their volumes