A school is making digital backups of old reels of film in its libraries archives the table below shows approximate run times of the film's for giving diameter of filming the reel. which of the following equations is a good model for the run time, Y, as a function of the diameter, X​

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field

With alll of except for the 2 that i did already