Very simple
? – (20 – 4x – 5x2) = 20 – 7x2, so ? = 20 – 7x2 <span>+ (20 – 4x – 5x2)
</span>? = 20 – 7x2 <span>+ (20 – 4x – 5x2)=20-7x²+20-4x-5x²=40-12x²-4x
</span>the answer is <span>C. 40-4x-12x^2</span>
Answer:
Idek
Step-by-step explanation:idek
Answer:
It's 60
Step-by-step explanation:
It's 60
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Vertical angles are congruent
