Pls ! i need the answer because i can’t figure it out. if you can pls do so.

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

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.

If f(x) and g(x) are inverse functions of each other, which of the following shows the graph of f(g(x)