Answer:
The formula is simply this: C = πd. In this equation, "C" represents the circumference of the circle, and "d" represents its diameter. That is to say, you can find the circumference of a circle just by multiplying the diameter by pi.
Answer:-8x^2-6x+36xy^2+27y^2
Step-by-step explanation:
using the FOIL method
b. 25%
(new - old)/ old * 100%
150 - 120 = 30 ... 30/120 = .25 * 100% = 25%
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