Answer: 4.5 hours
<u>Step-by-step explanation:</u>


Answer:
(3x-5)x(3x+5)
Step-by-step explanation:
Calcula el producto
Answer:
1. x - 1
2. 
Step-by-step explanation:


All you need to do for this is remove the parenthese and your answer will be
because that's the furthest it can be simplified.