Whats the value of x in the formula x = 2(alb) - 4c if a = 12, b =3, and a c=1?

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?

Over the course of a month, a person's weight decreases. what type of relationship is this? a. positive relationship

Jane has 5 nickels. john has 3 dimes. jane says she has a greater amount of money. with the information given, is she correct?