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x= 20° is the correct answer.
Answer:
7x+8y
Step-by-step explanation:
4x-(-8y-3x)
=4x+8y+3x
=7x+8y
This expression is equivalent to:
[ 7^(log to the base 7 of 3)]^(-2), or [3]^(-2)], or 1/9.
Answer: yes
it is letter B