Discover Questions

The line passing through point (4, -1) and perpendicular to the line whose equation is 2x - y - 7 = 0? If the ratio of carbon-14 to carbon-12 in a piece of bone is only one-quarter of the atmospheric ratio, how old is the bone? Explain what is measured by the sign of a z-score and what is measured by its numerical value.? If Michio Kaku is a "genius", why didn't he win the Nobel Prize ? Can a body be hotter than another if they are at same temperature?