For positive angles A and B, it is known that cos A= 4/5 and sin B= 28/53. Find the value of cos (A-B) in simplest form.​

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Solve the equation x/4 - 5= -8 -27 -12 -7 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 3 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 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.