When constructing a perpendicular bisector, why must the compass opening be greater than 1/2 the length of the segment? i was thinking that it's being cut in half but i really am not sure.

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.

Adding and subtracting matricesfind the value of each variable. x = and y = would

The area of a rectangle is 54x^9y^8 square yards. if the length of the rectangle is 6x^3y^4 yards, which expression represents the width of the rectangle in yards