Cathy has 16 meters of fencing to make a rectangular pen for some rabbits what dimensions will give the maximum area?

7x+8y=-18, 4x-9y=-3 solve the system of equations

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?

Each cookie sells for $0.50 sam spent $90 on baking supplies and each cookie cost $0.25 to make how many cookies does sam need to sell before making a profit formula: sales> cost