An airplane is flying 22° north of east at a speed of 810 km per hour. how fast is it moving to the north? options: a) 750 km per hour b) 810 km per hour c) 300 km per hour d) 0 km per hour

B or 810 km per hour

you probably already have the answer but anyways it's b. 15.0

step-by-step explanation:

6mm^3 or .6cm^3

      216

      /   \

  36     6

  /   \     /

6     6   6

factor trees are nice.