The measure of angle θ is 7pi/4 . the measure of its reference angle is *blank* °, and tan θ is *blank*

Alake near the arctic circle is covered by a 222-meter-thick sheet of ice during the cold winter months. when spring arrives, the warm air gradually melts the ice, causing its thickness to decrease at a constant rate. after 333 weeks, the sheet is only 1.251.251, point, 25 meters thick. let s(t)s(t)s, left parenthesis, t, right parenthesis denote the ice sheet's thickness sss (measured in meters) as a function of time ttt (measured in weeks).

How many lines can be drawn through points j and k? 0 1 2 3

Iknow its nothing to do with education, but what type of thing should i wrote here? ? : ) its for mcdonald's btw.