Answer:
IM PRETTY POSITIVE ITS B
PLS MARK BRAINLIEST
SORRY IF IM WRONG :P
Step-by-step explanation:
I believe it may be C. Because, the color changing has nothing to do with the reaction you get.
48, multiply -1 by -4 then multiply 4 by 12
PEMDAS
Using the identity :
Cos (2a) = 1-2 Sin^2(a)
Therefore :<span>1−2 sin ^2 (22.5∘) = Cos(2a)
= Cos (2 * 22.5) = Cos 45</span>
<span>solve <span><span>3≤−3x+6<15</span><span>3≤−3x+6<15</span></span></span>
Answer: (−3,1](−3,1]
<span>Approximate Form: <span><span>(<span>−3,1</span>]</span></span></span>