Answer:
an= 11 + (n - 1) x -1
a30= -18
Step-by-step explanation:
this is right, trust me

<em>Simplify 11(12+u)</em>
<em> </em>
To simplify this expression, Multiply 11 (the number outside the parentheses) by every term
inside the parentheses, as follows:-

Simplifying,


Please note that we cannot simplify this any further, because 
<h3>Good luck with your studies.</h3>
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Odd, even or neither:
<span>if </span>
<span>f(-x) = f(x) => even </span>
<span>f(-x) = -f(x) => odd
</span>
Answer:
21.5
Step-by-step explanation:
Counting the full squares: 16
Counting the squares that are more than 1/2: 6
The best estimate would be 21.5