For every 12 foot of boat you have 1 cm on the model.
So the length of the model = 84 / 12 = 7 cms Answer
Answer:
84 months
Step-by-step explanation:
Maria is 7 years old, there are 12 months in a year, multiply 12 by 7.
12 * 7 = 84
Maria is 84 months old
Bills right because the y-intercept is 50 so I’m think what he’s saying about the rocket being launched 50 feet above water is right

get rid of -2 by subtracting it from 21

Now you get your answer

Hope this helps! :)