"At most 12" means "the highest we can go is 12". Think of it as the ceiling. So x can equal 12 or it can be smaller. This means 
<h3>Answer: Choice A</h3>
Answer:
x equal to -4 or 7
Step-by-step explanation:
x square - 3 x - 28 equals 0 so for me are you now find factors of 28 that and you add you add or multiply those two factors to get those two factors to give you 28 so now so you know Factor ways to get (open x + 4) Close x (open x - 7) close equal to zero your ex number comes -4 or 7
I believe the person meant use pemdas! (order of opporations.)
you know what that is, right ? if you have questions feel free to message me!
Step-by-step explanation:
You can prove it by pythegoras use unit and you will get
Ef=gh
And FG=EH