Determine the coordinates; the parabola f(x)=x²+6x+14 and the straight line g(x)= -3x-4​

What is the length of bc ? enter your answer in the box. bc =

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

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?