P(x) = x^2 - 1
q(x) = 5(x - 1)
(p - q)(x) = p(x) - q(x) = (x^2 - 1) - 5(x - 1)
Just download the app photomath it helps a lot with equations plus it shows u how to do them
Using it's concept, it is found that the percentage of his sales that area food costs is of 29.62%.
<h3>What is a percentage?</h3>
The percentage of an amount a over a total amount b is given by a multiplied by 100% and divided by b, that is:

In this problem, he has $1643 out of $5546 in food, hence the percentage is given by:

More can be learned about percentages at brainly.com/question/10491646
#SPJ1
Irrational numbers can be written as decimals but not as fractions.
0.144 is a decimal, but it can also be written as 18/125. So this is a rational number.
√0.144 is equal to 0.3794733192. It cannot be expressed into a fraction. So, this is an irrational number.
√0.0144 is equal to 3/25. So, this is a rational number.
I hope I was able to help you. Have a good day.
Answer:
5/12
Step-by-step explanation: