Answer:
![Nick's\ earning=\$ 176.25](https://tex.z-dn.net/?f=Nick%27s%5C%20earning%3D%5C%24%20176.25)
Step-by-step explanation:
Let total meal served![=\$x](https://tex.z-dn.net/?f=%3D%5C%24x)
![Tip=15\%\ of x=\frac{15}{100}x=0.15x\\\\Nick's\ earning=75+0.15x\\\\Here\ x=\$675\\\\Nick's\ earning=75+0.15\times 675=75+101.25=\$ 176.25](https://tex.z-dn.net/?f=Tip%3D15%5C%25%5C%20of%20x%3D%5Cfrac%7B15%7D%7B100%7Dx%3D0.15x%5C%5C%5C%5CNick%27s%5C%20earning%3D75%2B0.15x%5C%5C%5C%5CHere%5C%20x%3D%5C%24675%5C%5C%5C%5CNick%27s%5C%20earning%3D75%2B0.15%5Ctimes%20675%3D75%2B101.25%3D%5C%24%20176.25)
Using it's concept, it is found that there is a 0.001 = 0.1% probability that he will forget to brush his teeth three days in a row.
<h3>What is a probability?</h3>
A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.
In this problem, for each day, there is a 0.1 probability that he forgers to brush his teeth, and days are independent, hence for 3 consecutive days the probability is given by:
p = (0.1)³ = 0.001.
More can be learned about probabilities at brainly.com/question/14398287
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The distributive property of division over addition and substraction is idk
The answer is -2. The line is going from left to right which makes it negative. Then if you look at the line and do change in y(rise) over change in x(run).