Answer:
10
Step-by-step explanation:
F(x) = 3x+1, for f. 3)
3x3=9
9+1=10
Which question are you talking about? I mean that why is there no attachment / image of your question? How do we know what is the question?So could you pls complete your question? :)
The answer is 18
-7^2+4(-7)-3
49+(-28)-3
21-3
18
The unkown side legnth is 9 centimeteres long all you had to do was subtract all the numbers from 44 and what your left with is the unknown side.
