Fiona owns 80 dvd's. the number of action/adventure dvd's, a is 8 less than twice the numbee of comedy dvds, c. which system of equation describes fiona's dvd's

Jamie is hiking up a small mountain. he climbs up at a constant rate of 300 feet/hour until he reaches the peak at 1,500 feet. after that, he hikes down at the same rate to the base of the mountain. the equation that models jamie’s elevation, e, after t hours is e = . jamie’s elevation will be 600 feet after hours and after hours.

What is coefficient of the term of degree of degree 5 in the polynomial below

What is the value of x in the this question ?