1. Whan graphing a system of equations with no solution, the slopes of the two lines will be

Which equation matches the graph shown ?

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+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?