If y=2.25x is a direct proportion and why?

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

What is not true about kl and mn? what is mn? (show )

Seattle, washington is known for being rainy. one day last month, 8 inches of rain fell in 1 1/2 hours. what us the rate of the rainfall expressed in ft per plzzz write a proportion i will give you 100 points