His mistake was in multiplying the 3 with the 12. He should have divided it from the 12 because that would have gotten rid of the 3 with the variable. It would also lead to the correct answer, which is b=4
Answer:
-2c^2 + c
Step-by-step explanation:
The square root<span> of a number is a value that, when multiplied by itself, gives the number.</span><span> </span>
Answer:
40%
Step-by-step explanation:
10000 = 5000 = 50% + 9000 = 40%
