Answer:
The first choice.
Step-by-step explanation:
There are no real square roots of numbers < 0
so the domian is all real numbers greater than or equal to zero.
Answer:
x=−4
Step-by-step explanation:
12-3x=-6x
add -3x on both sides
12=-6x+3x
add -6x and 3x together
12=-3x
divide both sides with -3

-4=x
since -3*4= -12
hope this makes sense
Answer:
5
Step-by-step explanation:
because i know
It causes the breakdown and decay to the rocks. It occurs when the weather water is slightly acidic.