The day-care worker will have to buy 3 quarts of milk
∠ACB = ∠ABC = 360°/8 = 45°
_____
∠ABC is an external angle of the octagon. Since it is equiangular, all external angles are equal. The sum of external angles of a convex polygon is always 360°, so one of 8 of those angles will be 360°/8 = 45°.
The total amount paid by a customer who purchased a CD player at $142.00 and sales tax of 5.5% is $149.81
<h3>Sales tax</h3>
- Cost of CD player = $142.00
- Sales tax = 5.5%
Amount of sales tax = 5.5% of $142.00
= 5.5/100 × 142
= 0.055 × 142
= $7.81
Total amount paid by customers = Cost of CD player + Amount of sales tax
= $142.00 + $7.81
= $149.81
Learn more about sales tax:
brainly.com/question/1700984
#SPJ1
Karmin will make $18.4 for working an hour after the increase.
Step-by-step explanation:
Step 1:
First, we need to determine how much Karmin made an hour.
Karmin's hourly rate 
So Karmen made $16 every hour that she worked. She worked for 30 hours and earned $480.
She will get a 15% increase in her hourly rate this month.
Step 2:
We need to determine how much 15% of $16 is.
15% of $16 
So her 15% increase amounts to $2.4.
So the hourly rate for this month 
So Karmin will make $18.4 for working 1 hour.
First of all multiple all the values by 12 then convert it into the appropriate measurement and that will be your answer
