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Answer:

Step-by-step explanation:
The bill = $190
Less flat fee = 25
Work done = $165

Answer:
I think it's a rectangle. Any time you need to plot points on a graph go to desmos graph and plot them.
Every number that has 0 as last digit and isn't decimal number, can be divided by 10 without remainder. It works for both positive or negative numbers. If last digit is different from 0, you will have remainder equal to that last digit. Even number 0 is divisible by 10 (the answer is 0 of course) because its last and only digit is 0.