There are 7 jobs, each of which have to go through machines A and B in order AB. Processing time in hours is given in the table.
Calculate total elapsed time and idle time of both machines.

If the slope of one line equals the slope of another line then ? a) the two lines are intersecting lines b) the two lines are perpendicular lines c) the two lines are parallel lines d) the two lines always have very steep slopes

The graph of f(x) = |x| is transformed to g(x) = |x + 11| - 7. on which interval is the function decreasing?

Which of the following circles have their centers in the third quadrant?