Sneakers are normally $89.99, but on sale, they are marked down to $56.49. What percent off is the sale price?

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

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?

What is the relationship between all triangles that can be drawn given the same three angles