When is a linear equation not one to one?

What does this look like in exponents 2x2x2x5x5x7? What are recurring cost? What does the Bible verse in Roman chapter 15 verse 13 mean? How many yards are 213 feet? What goes into 25 and 4? How do you solve input output tables? What is the fractional notation of 4.25? Traviss mother is two more than three times his age His father is five years older than his mother If all three family members have lived 107 years total how old is each family member? What year did gone in seconds come out? How do you work out an angle of a right angled triangle with no other angles and only 2 sides? How could you use estimation to check the reasonableness of the quotient for 3.99 and 0.84? What prime numbers to you times together to get 441? If 15 over 20 is equal to N over 100 what is N? What dog ran 100 meters in 20 seconds. What was the dog's speed (Use the equation s d and Atilde and middot t.)? What is 13 over 16 minus 11 over 16? Answer to pizazz puzzle page what would you have to give up if you were the last person on earth? What is the least common multiple of 6 8 an 9? How do you Graph 5 over three? Do men have an odd number of ribs? What is 7 4 divided by 5476?