Write (type) a compound inequality to model the following situations. Use "x" as your variable. A welding shop figures a new welding machine will be cost effective if it runs less
than 2 hours or more than 5.5 hours per day.

Passengers usually start to board their flights 1 hour before the scheduled take off time. the gate will be closed 15 minutes before the takeoff time. jack’s plane is scheduled to take off at 12: 05 a.m. if he arrives at the gate at 11: 45 p.m., can he board the flight?

1-for what value of x is line a parallel to line b 2-for what value of x is line a parallel to line b

If there is no real number solution to the quadratic equation x^2+2x+c=0 what is a possible value of c? 1 -2 0 3