Lian and her younger sister ella are 4 years apart. the sum of their ages is 20. let l be lian’s age in years and let e be ella’s age in years.
the system of linear equations that models the scenario is:
l – 4 = e
l + e = 20
how old is each sister?
lian is years old and ella is years old.

Need an artist designed a badge for a school club. figure abcd on the coordinate grid below shows the shape of the badge: the badge is enlarged and plotted on the coordinate grid as figure jklm with point j located at (2, -2) and point m is located at (5, 4). which of these could be the coordinates for point l? a. (2, 4) b. (8, 4) c. (5, 1) d. (5, 7)