Answer:
4
Step-by-step explanation:
- 16÷4=4 12÷3=4 meaning is.the lowest common multiple
Answer:

Step-by-step explanation:









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$6 is 20% of a $30 haircut
I think it is x² - 10x + 21 = 0.
Answer:
y=-2.4y
Step-by-step explanation:
First you want to restate the problem.
-3(y+3)=2y+3
Now distribute the negative.
-3y-9=2y+3
Add 3y to both sides.
-9=5y+3
Subtract 3 from both sides.
-12=5y
And solve.
-2.4=y