solve the equation by completing the square: x^2-3x-18=0. after completing the square, the equation will be and the solution is

What will the graph look like for a system of equations that has no solution? a. the lines will be perpendicular. b. the lines will cross at one point. c. both equations will form the same line. d. the lines will be parallel.

Simplify -4z+2y-y+-18z a.-22z+y b.-14z+2 c.3y+22z d. y +14z

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.