1. 2 one dollar bills and 2 quarters
2. 2 one dollar bills and 5 dimes
3. 8 quarters and 5 dimes
4. 10 quarters
5.25 dimes
6.20 dimes and 2 quarters
7. 4 quarters and 15 dimes
8. 6 quarters and 10 dimes
9. 1 one dollar bill and 6 quarters
Hope this helped
To find tax : $1,799.91 x 1.06 = $1907.9046. Because it's money, it should be rounded to $1907.90.
Of course, another way to do it is by multiplying $1,799.91 by 0.06, and adding the product that you get to 1,799.91.
Either way, you will still get $1907.9046
You can subtract 4 from 13 then subtract 4 again
Assuming the two points form a line, the other points on the inverse diagonal line would be -1+2i and 2-i, switching the x"axis" numbers