what is 7 over negative 5 plus negative 7 over 4?

What will mutation do if it does not occur in sex cells? What is the address of the Baxter Building? What turned out to be a hoax the piltdown man the nariokotome boy the turkana boy the taung child? How many calories in a chili cheese hot dog? Can a husband be held responsible for the amount owed on a repossesssed vehicle that is solely in the wife's name when she has no job or assets? Anyone know if James Hetfield plays the piano riff at the start of Unforgiven III? What is a work of art literature or music called? When did William ramsay discovered argon? What is the regular dimension of US church pews? Who is fabian andrades i cant find him i got a clarinet piece of the internet and am trying to find the recording or the audio of the song but i cant find him or the audio? What times equal to 70? The name of the place where a river begins? What are some things that trouble us? What Twilight Zone episode was Leonard nimoy in? How many people visit the Sierra Nevada Mountains each year and why? Can you definitively define what makes a sportsperson a sporting legend? Does Royal Caribbean observe local port times or ship time? Is escorting illegal in texas? How much water for jello poke cake when adding the jello to baked layers? How do you put a picture from photo booth as your background?