In science class, you learn that there are approximately 4.158 x 10^7 km^3—or 4.158 x 10^(19) L—of fresh water on Earth. You also learn that there are approximately 6.7 billion people living on Earth. According to a classmate, this works out to approximately 6.21 x 10^9 L of fresh water for each person on Earth.
Your classmate concludes that reports of water shortages in various parts of the world must be exaggerated.
Why is this an invalid conclusion? Support your answer by identifying at least two errors in your classmate's reasoning. Include any calculations that you used to arrive at your answer.

What is the ratio for the surface areas of rectangle prisims shown below given that they are similar and that the ratio of their edge lengths is 7: 3

It says factor each expression completely 8y+48

Read the excerpt from the strange case of dr jekyll and mr. hyde what do dr. jekyll's thoughts reveal about him in this excerpt? [t]he inmates of my house were locked in the most rigorous hours of slumber, and i determined, flushed as i was with hope and triumph, to venture in my new shape as far as to my bedroom. i crossed the yard, wherein the constellations looked down upon me, i could have thought, with wonder, the first creature of that sort that their unsleeping vigilance had yet disclosed to he is jealous of those who can sleep through the night. he is revered for his scientific advances. he is interested in studying the movements of the stars he is proud and enthusiastic about his initial results.