Answer:
$2/lb
Step-by-step explanation
76 Miles.
Step-by-step explanation:
28.5/3=9.5
9.5(8)=76
- 4x² + 6xy - y²
8x² + 3xy + 4y² - 12x² + 3xy - 5y² ← collect like terms
= (8x² - 12x² ) + (3xy + 3xy) + (4y² - 5y²)
= - 4x² + 6xy - y²
17. the answer is b
18. i don't know