Need help for this as I'm really confused..
(Polygons)

Nell has a sales clerk job that pays $12 per hour for regular gas work hours. she gets double time for any hours over 40 that she works in a week. how many hours did nell work if her weekly pay was $744

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7

Ze trinomial x2 + bx – c has factors of (x + m)(x – n), where m, n, and b are positive. what is ze relationship between the values of m and n? explain how you got ze answer