Which of the following expressions is equivalent to -1/4y-2 1/4y+1/2(4-2y) A. -3y+2
B. -3 1/2y+2
C.-4y+4
D -4 1/2y +2

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Determine if the function below is continuous. a. continuous b. not continuous, 1 hole c. not continuous, > 2 holes d. not continuous, 2 holes

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?