Astock can go up, go down, or stay unchanged. how many possibilities are there if you own 5 stocks?

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

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

[10 points, algebra 2-simplifying complex fractions]according to my answer key the restrictions are -1 and 4. but why not positive 1?