John and Rick had 900 stamps altogether. After John used 27 of his stamps and Rick used 180 of his stamps, they had the same number of stamps left. How many stamps did they have left

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

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

Solve: 3x+y=6 4x-2y=18 show all work !