The daily supply of oxygen for a particular multicellular organism is provided by 625 square feet of lawn. A total of square feet of lawn would provide the daily supplies of oxygen for how many organisms? The lawn would supply the daily supply of oxygen for organisms.

What number should be added to both sides of the equation to complete this square? x^2-10x=7

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Which expression is not a polynomial?