Answer:
<em>4.9 - 4n</em>
Step-by-step explanation:
Given the expression;
2.4 - 5.5 -4n + 8?
Collect like terms;
2.4 - 5.5 -4n + 8?
2.4 - 5.5 + 8-4n
-3.1 + 8 - 4n
<em>4.9 - 4n</em>
<em></em>
<em>Hence the simplified form of the equation is 4.9 - 4n</em>
I only know D. but I'll try to figure out the rest too. D. 9 years old
the one that has 65 and 54, 3rd one
Answer:make me brainliest
Step-by-step explanation:
This is easy wanna learn it go to question cove and search it