An internet passcode consists of a digit followed by a letter, followed by another digit. Assuming the digits are 0-9. How many different passcodes are possible?

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

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?