Step-by-step explanation:

Answer:
2a^2+7a-4
(2a-1)(a+4)
Step-by-step explanation:
Answer:
48.86/14
Step-by-step explanation:
The P is extra info also If you're looking for the unit then you'd divide
The answer is A i hope this helps
Answer:
−0.78r − 5.67
Step-by-step explanation: