Find the x-intercepts and the vertex, axis of symmetry and sketch the graph and functions of g(x)=1/2(x+5)(x-1)

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.

Which statements are true? see picture

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.