Ineed on a mathematics question. i need an explanation. solve 2 log x = log 64. x = 8 x = ±8 x = 32 x = 128 why is it not b and rather a? i agree with 8, but i also think that -8 works.

What's for breakfast? all people who ate at a certain restaurant were surveyed as to what they ordered on a particular sunday morning. 40 ate eggs 42 ate sausage 32 ate pancakes 13 ate sausage and eggs 15 ate pancakes and sausage 11 ate eggs and pancakes 6 ate all three items 3 people didn't eat any of the items how many people ate only pancakes? how many people ate at the resturant that morning? how many people didn't eat eggs?