If your in school your teacher taught it: where’s your notes ? haha jk the right answer is B.) bc it’s going over 2 up 3.
<h3>
Answer:</h3>
18
<h3>
Step-by-step explanation:</h3>
Put 3 where x is, then do the arithmetic.
... f(x) = x(5x -9)
... f(3) = 3(5·3 -9) = 3(15 -9) = 3·6
... f(3) = 18
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Your calculator can do this, too.
Answer:
<h2>c. ∠5 and ∠7</h2>
Step-by-step explanation:
Look at the picture.
Vertical angles are congruent.
On your picture:
∠1 and ∠3
∠2 and ∠4
∠5 and ∠7
∠6 and ∠8
<em>you just add 8 + 8 + 8 it equals </em><u><em>24. rounded it will be 20</em></u>
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<u><em>im pretty sure thats how you do it if not sorry</em></u>