Need Help ASAP Using the following problem answer the following 3 questions. a parabolic archway is 20 meters high at the vertex. at a height of 16 meters, the width of the archway is 8 meters.

1. What is the value of P in this situation
2. How wide is the fridge at ground level
3. What is the equation of the directx

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.