C-9<20
c=eleven or anything below
Answer:
Your answer is 2.5
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Answer:
THE ANSWER IS 30
Step-by-step explanation:
We can solve this problem by multiplication expressions. See below.
1/6 ÷5
30

There is one solution to this system of equations. The answer is B.
Answer:
sin²x
Step-by-step explanation:
we have
(1 − cos x)(1 + cos x)=1-cos²x
Remember that
sin²x+cos²x=1 ------> i-cos²x=sin²x
therefore
(1 − cos x)(1 + cos x)=sin²x