The coordinates of 3 points are A(-1,-6), B(3,-12) and C(k, 6). Find the value of k if
(a) A, B and C are collinear
(b) AB is perpendicular to AC.​

Atrucker had a load of grain containing 2 tons. she unloaded 1 ton and 1,200 pounds at the warehouse. how much grain does she still have left on the truck?

What could explain what happened when the time was equal to 120 minutes

Ineed big ! the cost of a school banquet is $25 plus $15 for each person attending. create a table, sketch the graph, and write an equation in slope-intercept and point-slope form that gives total cost as a function of the number of people attending. what is the cost for 77 people?