In which quadrant does θ terminate if cscθ < 0 and tanθ > 0?

Pls! does anybody know a shortcut for answering these types of questions in the future?

Find the solution set of this inequality. enter your answer in interval notation using grouping symbols. |8x-4| ≤ 12

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36