A very flexible helium-filled balloon is released from the ground into the air at 20. ∘c. The initial volume of the balloon is 5. 00 l, and the pressure is 760. Mmhg. The balloon ascends to an altitude of 20 km, where the pressure is 76. 0 mmhg and the temperature is −50. ∘c. What is the new volume, v2, of the balloon in liters, assuming it doesn't break or leak?.

Astudent noticed different gas prices as she drove around town. find the second quartile. $3.31 $3.28 $3.42 $3.35 $3.31 $3.26 $3.38 $3.32 $3.34

In the image, layer a is the topmost layer. layer c contains fossils from the precambrian era. layer b contains dinosaur fossils, and layer a contains fossils of mammals. which two statements are supported by this evidence? 1. mammals lived before the precambrian era. 2. dinosaurs and mammals existed in the precambrian era. 3. dinosaurs evolved after precambrian organisms. 4. precambrian organisms evolved after dinosaurs. 5. precambrian organisms were the first life-forms to become fossilized, according to this sample.

Asoccer team has played 25 games and has won 60% of the games it has played. what is the minimum number of additional games the team must win in order to finish the season winning 80% of the games it has played?