15PTS PLEASE HELP ASAP!
(dont write random answers pls)
look at the pic attached:

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

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.

Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents