An airplane on autopilot took 9 hours to travel 6399 kilometers. What is the unit rate for kilometers per hour?

6399/9=711 The answer to this question is 711.

answer: both chords and diameters have two endpoints on a circle. diameters must intersect the center of a circle.

b. y = 4x - 2

step-by-step explanation:

to find a parallel equation to an equation, make sure both equations have the same slope but different y-intercepts.

y = 4x + 1

4 = slope

1 = y-intercept

y = 4x - 2

4 = slope

-2 = y-intercept

they both have the same slope but different y-intercepts, so, b. is the correct answer.

and to check your work, you can graph both equations. : )