Determine if the following sets of quadratics are equivalent. choose true or false. x^2 - 10x + 14 = 0 and (2x - 10)^2 = 156 (x - 10)^2 = 68 and x 2 - 20x = -32 x^2 - 6x = 247 and (x - 3)^2 = 256 (x + 5)^2 = 65 and x^2 = 90 - 10x

its c or d   take a lucky guess my dude

54 km / hours

step-by-step explanation:

we need to convert seconds to hours

60 seconds = 1 minutes

60 minutes = 1hour

15 m         60 second   60 minutes

  * *         = 54000 meters/ hour

second     1 minute             1 hour

now we need to convert meters to km

1000 m = 1 km

54000 m       1 km

*   = 54 km / hours

hour               1000m