The low temperature in anchorage, alaska, one day was -9 degrees f. on the same day, the low temperature in flagstaff, arizona, was 26 degrees f. write an inequlity to compare the temperatures. explainthe meaning of the inequality.

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 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.

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a. m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?