Abook cover has a length and width ( in inches) shown in a diagram find the values of a and b

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?

What is the perimeter of a rectangular building that is 80 feet wide and 140 feet deep?

Acircle has a circumference of 28.36 units what is the diameter of the circle