A farmer in China discovers a mammal hide that contains 57% of its original amount of C-14

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 random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

Which graph represents the parent function of y=(x+2)(x-2)