For the first digit you have 10 options (0..9).
For each next digit you can't choose the same digit, so you have 9 options.
So number of combinations is 10*9*9*9*9 = <span>65610</span>
I would say A, because RST = VUT. Also, that would make the most sense... That is just me...
Answer:
90 degrees
That is an isosceles right triangle.
Step-by-step explanation:
