The constant rate of proportionality in the equation is?

Use the elimination method to solve the system of equations -x+5y=-4 and 4x+3y=16

Which is an equation for the nth terms of the sequence 12,15,18,21

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.