A figure in the plane has a[n) _?_if the figure can be reflected onto itself by a[n) ? in the line

1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.

What is the binomial expansion of (2x-3)^5

X2 + y 2 = 36 x + y = 6 solve the system of equations.