Third quartile of the observations taken in order is 172, find the value of 'k'. 102, 112, 120, 130, 142, 150, 158, 150 + 2k, 188 – k, 182

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?

Iwill give you ! what is the measure of ∠v ?

What is the difference between the equations of a vertical and a horizontal line?