If plan a is $404.50 per month and plan b is $90 and plan c is 232.50 per month. when will the price per month be the same for all three plans

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

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.

Answer for 10 points show work you guys in advanced < 3