1 answer:
Let u = x^2
u^2 + 12u - 64
(u - 4)(u + 16)
Back-substitute for u.
(x^2 - 4)(x^2 + 16)
(x + 2)(x - 2)(x + 4i)(x - 4i)
Answer: Choice a.
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12 songs. 25% of 12 is 3, so you add 3 to 12 and get 15. You then find that 20% of 15 is 3 so you subtract 3 from 15 and get 12 again.
125 because it’s symmetrical between both
2+2x=45
-2
0+2x = 43
2x = 43
-2
0+x=41
X=41
Answer:
14
Step-by-step explanation:
Perimeter= 4× 3.5 in
=14 in
