Evaluate the expression for the given value of the variable. |b-3|+|b^2+4|-3b^2-|-5-2b^2| when b=-2 14 13 28 -12 other:

7x+8y=-18, 4x-9y=-3 solve the system of equations

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Which system of linear inequalities is represented by the graph? + l tv x-3y > 6 and y > 2x o x + 3y > 6 and y o x-3y > 6 and y> 2x o x + 3y > 6 and y > 2x + 4 la +