According to egyptian artifacts, how early was the concept of the square root known? 1850 bce 1700 bce 400 ce 830 ce

To which sets of numbers does -12 belong? choose all answers that are correct. a) natural numbers b) integers c) real numbers d) irrational numbers

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is