If BC ≈ DA, then the shortest side is?

Evaluate-27 ^4/3/8 a) - 81/16 b) 81/16 c) 16/81

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.