3cards one red and red one blue and blue one red and blue. what's the probability you will see red and blue

At your job you're paid $50 per week plus $3 per sale at least how many saled do you need to make in order to have over $250

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

The sum of a number and 5 times the number is 18.find the number