Given that log3(z - 1) - logz z = 1+ 3 log3 y, express z in terms of y.

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms

Julia bought 7 hats a week later half of all her hats were destroyed in a fire. there are now only 12 hats left with how many did she start

Write as a product of two polynomials. 2(3–b)+5(b–3)^2