In ARST, t = 9.5 inches, ZR=149º and ZS=12°. Find the length of r, to the nearest 10th of an inch.

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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.

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)