Answer:
The value is
Step-by-step explanation:
From the question we are told that

And that

So the number of sand grain that is in
is mathematically evaluated as
=>
Answer:
a = 3
Step-by-step explanation:
Calculate the distance d using the distance formula and equate to 4
d = 
with (x₁, y₁ ) = (2, - 1) and (x₂, y₂ ) = (2, a)
d =
=
=
= a + 1 then
a + 1 = 4 ( subtract 1 from both sides )
a = 3
Answer:
b r u h
your question is incomplete. T^T
Answer:
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