In a plane, line e is perpendicular to line f, line f is perpendicular to line g, and line h is parallel to
line f. Which of the following must be true?

Figure abcd is a parallelogram. if point c lies on the line x = 2, what is the y-value of point c?

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 expression is equivalent to log3(x+4)