The Triangle Shown Below Has An Area Of 18 units^2

The length of each stair is 11 inches. what is the rise, r, for each stair? round to the nearest inch. 2 inches 7 inches 17 inches 24 inches

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?

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2