The dry cleaning fee for 3 pairs of pants is $18. what is the constant of proportionality

List x1, x2, x3, x4 where xi is the left endpoint of the four equal intervals used to estimate the area under the curve of f(x) between x = 4 and x = 6. a 4, 4.5, 5, 5.5 b 4.5, 5, 5.5, 6 c 4.25, 4.75, 5.25, 5.75 d 4, 4.2, 5.4, 6

52 cm radius = diameter = area = circumference = circumfer

Write the function for the graph. (1.8) (0,4)