Answer:
the answer for |x+5|=3=x=-2and x=-8
and for the other one is x=8 and x=2
Answer:
12
Step-by-step explanation:
First figure the ratio of the real building to the model which is 21 divide 3. So the ratio is 1:7, since we're finding the height of the model, we divide 7 by 84 which is 12
Y = 20x + 7 for instance
then just substitute the values