Answer:
14:34
Step-by-step explanation:
34-20 gets your dime count which is 14 and then to total coins the answer equals 14:34
=14n⁴+8n²-9n+7
(8n⁴-6n+8n²)+(6n⁴-3n+7)
=8n⁴-6n+8n²+6n⁴-3n+7
=8n⁴+6n⁴+8n²-6n-3n+7
Answer is A 520mm²
I hope you like it
I think its 15 + 5x
b