For what values of x are these functions defined x - 1

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

Find the missing dimension! need asap! tiny square is a =3025 in ²

How many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.) how many 3-digit numbers can you write using only digits 1 and 7? (of course, digits can repeat.)