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The exact answer would be <span>392.78
An estimated value could be either 390 or 393</span>
20 so -10 from 30 so the 18 is -10 right hope dis helped
Answer:
A(r)=15-3r
Step-by-step explanation:
switch the sign of +3r to make it -3r
Now it would be
-2.3+(-5.9)
now just add those two together
and u get -8.2
So the answer is A
