A new window costs $600 plus VAT 20%. How much is the total bill?

720 dollars

Step-by-step explanation:

find 20% of 600 dollars

= 120 dollars

600 + 120

= 720

I hope this helped!

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(1, –1), (16, –4), (36, –6)

step-by-step explanation:

given that the function is

this can also be written as

we have to graph this function and check which list of points lie on the graph

see attachment for graph:

we find that the points lying are (1,-1) (16,-4) and (36,-6)

since square root is there we find that x can only be posiitve but y can be since square root both positive and negative.