Can someone me ? students ask every 5th person to board the train what their favorite color is. which type of study method is described in each situation? a. controlled experiment b. survey c. observational study d. none of the above.

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

Explain how you do each step what term makes it inconsistent y=2x - 4 ?

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?