4x+y=6 graphs of equations in two variables

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

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Y=(x+3)(x-4)(x+1)^2 sulutions? multiplicity?