Determine which method would be more efficient for solving each system of equations.

The graph of h(x)= |x-10| +6 is shown. on which interval is this graph increasing

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?

Is it greater than or less than7*3_9*2