Answer:
A
Step-by-step explanation:
I did it on a test too
My answer is C
because
x-12=-3
x=-3+12
x=9
<em>A ratio camparing two quantities with different kinds of units is a ratio that tells the rate of change of one variable with a change in other variable.</em>
False, ther is decay functions example
f(x)=200+(1/3)^x
