There's 9 choices for the first digit and 4 choices for the last digit. The number of choices for the 2nd and 3rd digits is 90 if 2 numbers are different. or 100 if duplicates are allowed.
If duplicates are allowed the answer is 9 * 100 * 4 = 3600 possible numbers.
Answer:
placing the needle of the compass on one end of the line segment.
Step-by-step explanation:
4 and 5 is one 20/25
Answer:
It's 45 degrees on edgen
Step-by-step explanation:
and whichever dumb b&tch deleted my comment, please stop riding my d&ck so hard<3 thanks
E is the answer to this question
