Will give !me understand this; it has something to do with pascal's triangle the prom committee will be made up of a group of 8 boys and girls. if there are 12 boys and 15 girls in the group to pick the committee from, how many ways can the committee be organized? 2220075 ways 3185325 ways 675675 ways 1860 ways?

In which source of water would a wave travel the fastest? o ice o cold o room temperature o hot mark this and return save and exit next

Question 1(multiple choice worth 1 points)(07.06 mc)a group of students must collect at least $150 to organize a science fair. they have already collected $30. which graph best represents all remaining amounts of money, in dollars, that thestudents should still collect to organize the science fair? -210 -180 -150 - 120 -90-60 -300306090 120 150 180 210-210 -180 -150 - 120 -90 -60 -30 0 30 60 90 120 150 180 210-210 -180-150 - 120 -90-60-300 30 60 90 120 150 180 210-210 -180 -150 - 120.90 -60 -30 0 30 60 90 120 150 180 210

The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?