Katy buys 4 dvds every 2 weeks. howmany dvds she will buy in 12 weeks

Lindsay used two points, (x,y; ) and (+2.82), to find the equation of the line, y = mx + b, that passes through the points. y2-y, first, she used the definition of slope and determined that the value of mis x, - . given this information, which expression must represent the value of b?

With finding limits of multi variable !

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?