Which term describes the red curve in the figure bellow?

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

Sam makes his sales calls according to a pattern. he travels either north or south depending on the calendar. some of his past trips were as follows: on february 17, april 24, june 10, september 19, and november 3 he drove north. on february 28, may 25, august 22, november 20, and december 18, he drove south. describe sams' pattern. in which direction will sam drive on oct4 and oct 24?

What is the value of x in the equation 2(x-4) = 4(2x + 1)?