50 people sponsor paula and she raises a total of £180 for charity. what is the mean average amount sponsored

Use the function f(x) is graphed below. the graph of the function to find, f(6). -2 -1 1 2

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?

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?