which signs do we use in between each number to make it a true equation? 2808 ? 1811 ? 123 ? 441 ? 3633 ? 1/3 ? 32^2 ? 205

The length of the line segment joining the midpoints of sides ab and bc of the parallelogram abcd is 10. find the length of diagnol ac

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point

What is the sum of the first 8 terms of the geometric series