when solving a system, Jared found y=x+10 for one equation and substituted x+10 for y in another equation .nicole found x=y-10 for the same equation and substituted y-10 for x in another equation. who is correct explain

Thelime contains the point(-3,0) and parallel x-3y=3( show all work)

Janice determined there were 10 possible outcomes when tossing two coins and spinning a spinner numbered 1 through 6. what is the correct number? what might have been janice's error?

Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters