4316 rounded to the nearest 100

What is the measure of x? 43° 86° 172° 344°

Factor x2 – 8x + 15. which pair of numbers has a product of ac and a sum of what is the factored form of the

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