any1 know how to solve this? i kinda smarted off to my teacher and know she expects me to do this. help

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?

Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?