Find the factor of gcf 6x^2y+14xy^2-42xy-2x^2y^2 and find and factor of gcf 4y^3-2y^2

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

What can you determine about the solutions of this system

Which of the following circles have their centers in the third quadrant?