What is the best estimate for the value (34/8 - 16/3) - 14/9

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?

Which expression converts 45 degree to radians

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?