Use the roster method to write each of the given sets. For some exercises you may need to consult a reference, such as the Internet or an encyclopedia. (Enter EMPTY for the empty set.) The set of natural numbers x that satisfy x + 8 = 7

Find the value of tan theta if sin theta = 12/13 and theta is in quadrant 2

Find the value of 1715⋅211.though these numbers aren't quite as nice as the ones from the example or the previous part, the procedure is the same, so this is really no more difficult. give the numerator followed by the denominator, separated by a comma.

Solve for x, y, and z. show all steps.