Answer this question correctly making sure the answer is right, only answer if you can give the correct answer.

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.

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Each day jake donates money to the global.