Answer:
Hi
f(x)= x^2-2x+4
f(2a)= (2a)^2-2(2a)+4 = 4a^2-4a + 4 = 4(a^2-a+1)
correct
Step-by-step explanation:
supplementary is when 2 angles add up to 180
your answer is proably 15 i dont really know
25π/18 * 180/π= 250°
1/49
<em>Step by step explanation:</em>
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