I'm pretty sure that the answer to your question would be 27. hope that helps.
The correct answer is B: Humid air has higher pressure because of the heaviness of water. Hope this helps!!
Answer:
Step-by-step explanation:
1. 3x2 + 5x - 4 + 6x2 - x + 7
= combining like terms
= 9x2 + 4x + 3
2. 2y2 - 3y + 6 + y2 - 5y - 1 + (-4) + 2y2 - 2y
= 5y2 - 10y + 1
3. 2x2y - 3xy2 + x2y - 4x2y - 2xy2
= - x2y - 5xy2
4. x2 - y2 + 2x2 - 3xy + 4y2 + 3y2 - 5xy - x2
= 2x2 - 8xy + 6y2
Answer:
-125a^30
Step-by-step explanation:
(-5a^2)^3 · a^5
-5³ a^(2×3) a^5
-125 a^(6×5)
-125a^30
