49: 1 7, 49
84: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
The GCF is 7
Circumference of a circle = 2πr
So,

<span>A={4},
the group set has only one element in it
so n (A)=1
</span>
I hope that
helps!
Answer:
Step-by-step explanation:
hello,

hope this helps
False one pound is equal to less than one kilo