Help plz!! Which of the following statements about rational numbers is not correct? A) All whole numbers are also rational numbers.
B) All rational numbers can be written in the form a/b, where b ≠ 0.
C) Rational numbers cannot be negative.
D) All integers are also rational numbers.

Given the following sampling distribution of one mean with a sample size 49, from a normally distributed population, find the population standard deviation, o.79828588912497

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?

For the chance to be team captain, the numbers 1-30 are put in a hat and you get two chances to pick a number, without replacement. which formula correctly shows how to find the probability that you choose the number 1 and then 2?