More informative summary about the short story of "my father writes to my mother" by assia djebar

One of the villager women actually calls her husband by his first name, and on top of it all, he sends her a postcard! I just wish that all men around here were like that. I mean, it wouldn't kill our husbands to at least address us once and awhile, and be nice enough to send us cute little postcards when they are away. I think they have a good marriage. If only all of our marriages would be like that, a lot of us would probably be happier. Not that we aren't happy now, but, we could at least be treated with a little bit more respect from him. IS THIS IT

The slope of a linear equation is equal to the change in the value of the dependent variable divided by the change in the value of the independent variable. in this problem, the dependent variable is the profit while the independent variable is the worker's average pay. if the profit is said to increase by 1500 when worker's average pay decrease by 450, the slope is equal to 1500/(-450)=-3.33