What is the slope of the line that passes through (-12, 5) and (-3, -6)

What is x and y (use substitution? ) 5x+3y=38 and y=3x+8?

Write a story that matches with the expression 42x-5 pls hurry

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.