Humans whose ancestors lived in which of the following regions would be likely to be able to digest the lactose in milk? A. African regions where cows were herded B. European regions where horses were ridden C. Asian regions where chickens were domesticated D. South American regions where potatoes were farmed

0.66y = 0.9x + 0.48 if y has a value of 108.45 what is the value of x?

Hey guys so i need to know what is _nh3+> nh4oh ~chemistry~

Plzz a sample of table sugar (sucrose, c12h22o11) has a mass of 7.801 g. ● a) calculate the number of moles of c12h22o11 in the sample b) calculate the number of moles of each element in c12h22o11 (number of moles of c, number of moles of h & number of moles of o) in the sample. (use your answer from part a as your starting point.) show your work and highlight your final answer. calculate the number of atoms of each element in c12h22o11 (number of atoms of c, number of atoms of h & number of atoms of o) in the sample. (use your answers from part b as your starting for each element.) show your work and highlight your final answer.