Answer:
9x+9
Step-by-step explanation
Combine like terms (6x and 3x, 2 and 7)
The answer is D. When flipping a coin, the probability of getting tails does not change no matter how many times you flip the coin. It will always be 1/2.
Angle b will be 34 degrees because angle b and the other angle that is 34 degrees are vertical angles!
The ratio of 2:9 has to be 2:9 do to the fact you can't simplify the fraction 2/9.
Hoped I helped.
