What is the atomic number of an atom? A. the number of electrons and neutrons

B. the number of protons

C. the number protons and neutrons

D. the number of neutrons

Adrawer contains 12 identical white socks, 18 identical black socks and 14 identical brown socks. what is the least number of socks you must choose, without looking, to be certain that you have chosen two socks of the same colour?

If f(x)=x+7 and g(x)=1/x what is (fog)(x)

Use mathematical induction to prove the statement is true for all positive integers n, or show why it is false. 1^2 + 4^2 + 7^2 + + (3n - 2)^2 = [n(6n^2-3n-1)/2]