I NEED HELP NOW Mario and Nathan collect model airplanes. Mario's collection is eight less than three times the size of Nathan's collection.

Write an equation to represent the size of Mario's collection in relationship to the size of Nathan's collection. Letm represent the size of Mario's collection and let n represent the size of Nathan's collection.

Determine whether the points (–3,–6) and (2,–8) are in the solution set of the system of inequalities below. x ? –3 y < 5? 3x + 2 a. the point (–3,–6) is not in the solution set, and the point (2,–8) is in the solution set. b. neither of the points is in the solution set. c. the point (–3,–6) is in the solution set, and the point (2,–8) is not in the solution set. d. both points are in the solution set.

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

Factor k2 - 17k + 16. a.(k - 2)(k - 8) b.(k - 1)(k + 16) c.(k - 1)(k - 16)