<span>A-4
Substitute 16 for a
16-4
Subtract
Final Answer: 12</span>
Answer:
D
Step-by-step explanation:
∠ 6 is formed by the 2 lines that intersect at D
then the vertex of ∠ 6 is D
Answer:
B
Step-by-step explanation:
hope it helps <3333
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Answer:

Step-by-step explanation:
x² + 6x + 1 = 0
a = 1 , b = 6 , c = 1

Answer:
3n^2 (9+25n)
Step-by-step explanation: