8x + 4y = 3x - 6 is a Linear equation or not?

It takes jonas 7 1/4 minutes to run the mile. it takes mario 8 5/12 to run the mile. how much faster is jonas than mario? 5/6 minute 1 1/3 minutes 1 1/6 minutes 1 1/2 minutesi will give points and brainlest

Acircle has a circumference of 28.36 units what is the diameter of the circle

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?