Which expression represents x2−8x+16 in factored form? (x+4)2 (x−4)2 (x+4)(x−4) (x−2)(x−8)

If you had $1,900,000, how many days would it take you to spend all if you spent $1 a second. (there are 86,400 seconds in a day)

Find the domain and range of the following function f(x) = 51x - 21+ 4

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