If a crane uses 500 Joules to raise bricks 20 meters, how much Newtons of force were used?

The function g(x) is defined as shown. x-1, -2 g(x) = 2x+3, -1 6-x, x23

The sum of two numbers is 86, and their difference is 20. find the two numbers

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?