1. plug in the numbers for the variables, like this: 9(-5)+18(-1)
2. solve
Hopefully this helps! Let me know if you need more explanation.
Answer:
1. y=-1/3x 2. y=2
Step-by-step explanation:
The mean of the distribution of the sampling mean is the same as the mean of the population, 18.6.
Answer:
126 square miles
Step-by-step explanation:
So I just draw a grid and mark the thingies (sorry my math vocabulary is not very good)
So you get a rectangle that is 5x9 if you connect the dot thingies and 9 square units is 14 square miles and 9x14=126. Using a coordinate grid makes it easier to visualize what you’re doing