6x - 5y = 70
7x + 2y = 66

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

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 33 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30 ∘c on monday, but decreased at a constant rate in the next 33 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Solve x+3y=6 and 4x-6y=6 by elimination . show work !