how do you write -9 7/9 as an improper fraction

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

Awall map has a scale of 128 miles = 6 inches. the distance between springfield and lakeview is 2 feet on the map. what is the actual distance between springfield and lakeview? 384 miles 512 miles 1.13 miles 42.7 miles

Which ordered pair (c, d) is a solution to the given system of linear equations- c+2d=13 -9c-4d=-15