What is the value of x in the system of equations 5x+4y=1 and y=1 - x

If 1 is divided by the sum of y& 4.the result is equal to 3 divided by 4, find the value of m

Find the value of x for which the lines are parallel.

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.