Resuelve el siguiente sistema de ecuaciones de 2x2 por el método que tu quieras en tu cuaderno: 2x+y=7 2x-y=1 ¿Cuál es la solución de x y cual el de y? * A) X=3 Y=2

B) X=2 Y=3

C) X=-3 Y=-3

D) x=-2 y=-3​

Jack lives on a farm and has a large backyard. the area of his rectangular backyard is of a square mile. if the width of the yard is of a mile, what fraction of a mile is the length of the rectangular backyard?

Isee the amount was $90.00 then reduced to $75.00 , what is the percent ?

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost.swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit