The question doesn't make sense.
az = 8, the z should be a #
an = -3an-1, is this supposed to be
?
What's the z?
Remember: 60 seconds in a minute, 60 minutes in one hour.
So if butterflies flap 12 times per second, multiply that number by 60 to get how many times the butterfly flaps their wings in a minute. then, multiply that number by 60 again to get the flaps of number per minute.
12x60=720x60=43,200
GX is the angle bisector. Answer is C
Distributive
Communative
Associative
☆is the order.