Select all the expressions which have 3 as the greatest common factor of the terms. b + 3 + 6c
27n + 66p
38 – 9j + 6k
12x + 75y + 21
–32 – 24z

by definition, an arc subtended by a central angle of some given measure has the same measure. so .

the answer is 489

step-by-step explanation:

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

d

step-by-step explanation:

i used the pitagoras theoreme