1. A, because that is the highest factor both share. 2. B, because he drinks one pint a day. 3. B, the answer is 10. 4. C, 11n - 20 equal 79, which is higher than the rest. Hope this helps! :)
soo are these real math questions? I mean like do your teachers actually ask you these kind of questions or you are making all this up? because they seem to have no answers for them at all