5a^2 - 6a -4 - (<span>-7a^2 + 3a -9)
=</span>5a^2 - 6a -4 + 7a^2 - 3a + 9
=12a^2 - 9a + 5
answer
12a^2 - 9a + 5
The probability is 10% because 2 x 5 = 10
Answer:
7% R=18 6=4
Step-by-step explanation:
The answer is 4
So the ratio would be 12/4
Then u simplify into 4/1 ( I divided each number by 4)
