Answer:
72÷6=12
so at the nursery it cost $12 per shrub
66÷6=11
so at the store it cost $11 per shrub
so if you buy 21 shrubs from the nursery it will cost: 12×21=$252
but if you buy 21 shrubs from the store it only cost: 11×21=$231
$252-$231=$21
The answer is 1/2 in fraction form because 0.5 is half of 1
To find the exterior angle measure we would use the following formula:

A regular hexagon has 6 sides so we divide:
360/6 which equals 60
So our final answer would be A. 60
Answer:
-11/10
Step-by-step explanation:
-7/10-2/5
-7/10-4/10
-11/10