For security, a credit card number is coded in the following way, so that it can be sent as a message. subtract each digit from 9. (8)
code the credit card number 3201 2342 3458 0931
this is my question

Without graphing the linear functions, find the coordinates of the point of intersection of their graphs: y=3x−11 and y=4

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)

Atravel agent is booking a trip to england, scotland, ireland, and france for a group of senior citizens. the agent sent surveys to the group, asking which countries they would like to visit, in order, and created the shown preference schedule (e = england, i = ireland, s = scotland, f = france). which country is the condorcet winner? number of votes 15 12 16 19 1st f e e i 2nd e s i s 3rd s i s e 4th i f f f 1. scotland 2. england 3. france 4.ireland