AB is parallel to DC and BC is perpendicular to AB. A(1,1) B(9,3) and D(3.5,8) Find the coordinates of 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.

Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles