Answer:
$84
Step-by-step explanation:
720x30=21600
21600/100=216
216=markdown (as a number instead of a percentage)
Now subtract that like this
720-216=504
504= sale price
Then do this
504-420=84
<em><u>Therefore it is $84</u></em>
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<em>Hope you understand!</em>
Answer: 
Step-by-step explanation:
<u>Given information</u>
Point B = (-2, -4)
Reflection line: y = x
<u>Concept:</u>
When reflecting over the line y = x, the position of y and x in the original coordinate switches places.
This is because it is " y = x ", assuming that they could interchange
<u>Find the coordinate of Point B'</u>
Original (x, y) = (-2, -4)
Point B' = (x', y') = (y, x) = 
<em>Please refer to the attachment below for a graphical understanding</em>
Hope this helps!! :)
Please let me know if you have any questions
Answer: use the app Photo math! it will help u with literally every single question!!
Step-by-step explanation:
just point it the camera at the question and only the question dont point it al the number of the question! also when you get the answer, it will explain it if u press "show solving steps"
Answer:
Nicholas bought 1.8 lbs, and Jane bought 3lbs.
Step-by-step explanation:
Divide the total amount by how much it is per pound, so 8.10 divided by 4.50 = 1.8 and 9.75 divided by 3.25= 3
Filling in 20 characters just to answer with a pic