a ballroom is being set up for a banquet in one room there are 7 tables and 56 chairs how many tables should be set up for 40 chairs

Aline has a slope of 1/4 and passes through point (0.4,-1/2). what is the value of the y-intercept?

I’m stuck on this equation, anyone got the answer?

In one month jillian made 36 local phone calls and 20 long-distance calls what was her ratio of local calls to long-distance calls for that month?