<span>a=7b+8c+9d-10
a = 8c + 16d - 10
solve for c then
8c = a - 16d + 10
c = (</span>a - 16d + 10) / 8
or
c = a/8 - 2d + 5/4
The mean will be 5 points higher...so...c would be the answer!
Answer:
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Step-by-step explanation:
The arc length, radius and the included angle are related as
where
is in radians.
The radius
is given by

Correct choice is (B).
3x(x+3)^2
3x(x^2 + 6x + 9)
= 3x^3 + 18x^2 + 27x
answer
3x^3 + 18x^2 + 27x