Which of these strategies would eliminate a variable in the system of equations? 2x-5y= 13. -3x+2y= 13

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?

Simplify the expression. -2/5(10+15m-20n)

On average a herd of elephants travels 10 miles in 12 hours you can use that information to answer different questions drag each expression to show which is answers