Answer:
12d+3
Step-by-step explanation: multiply 3x4d and 3x1 and you get 12d+3
Answer:
hi how are you doing?
Step-by-step explanation:
7 1/4% equals 7.25% and there is your answer.
Answer: 
-3 times the square root of 5
=============================================
Explanation:
Let 
Replace all the root 5 terms with x and we go from

to

From here, combine like terms to get

and the last thing to do is replace the x with sqrt(5)

Meaning that,

