Step-by-step explanation:
7e=the money she makes from earrings
13n=the money she makes from necklace
Answer:

Step-by-step explanation:
Given

Required
Determine the true statement
<em>Options are not given; but, the question can still be attempted.</em>
<em></em>
<em></em>
<em></em>
Collect Like Terms


Divide through by 7

<em></em>
<em> -- This is true</em>
Answer:
z-score = 4.43,
It is a Good day
Step-by-step explanation:
The provided information is:
Mean = $28,286.28
Standard deviation = $1,500
Let x be the sell of department store on Tuesday.
Then, x = $34,924.62
The z-score is define as:
Thus, the Tuesday's z-score is 4.43. So this is usually good day.
Answer:
He can buy <u>3 bracelets</u>.
Step-by-step explanation:
Given:
Mr. Gonzales has only 42.50 to spend he wants to buy 29 t shirts including tax and some bracelets that cost 4.50 each including tax.
Now, to find the number of bracelets he can buy.
Let the number of bracelets he can buy be 
Price of each bracelets = 4.50.
Total amount to spend = 42.50.
Number of t-shirts = 29.
Now, to get the number of bracelets we put an equation:

<em>Subtracting both sides by 29 we get:</em>
<em />
<em />
<em>Dividing both sides by 4.50 we get:</em>

<u>The number of bracelets = 3.</u>
Therefore, he can buy 3 bracelets.
You divide 820 by 42 and the answer comes out to be 344.4 it has a decimal because it doesn't divide equally