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B + b + b + b + b + 2b = 7b (add all the variables up )
7 x 10 = 70 ( since b = 10 substitute)
F(3), replace r with 3
f(3)=3.14(3)^2=3.14(9)=28.26
f(3)=28.26
Answer:I can’t see the rest.
Step-by-step explanation:
Answer:
I’d say the first one!!!
Step-by-step explanation:
Most reasonable
