a train travels 288km at a uniform speed. if the speed has been 4km per hour more it would have taken one hour less for the same journey. find the speed of train​

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

Simply 8x squared + 5(7x squared- x) - 2x =

You are a clerk at convenience store. a customer owes 11.69 for a bag of potatoes chips. she gives you a five dollar bill. how much change should the customer receive?