K+ l + m equals l + m + k what property does this demonstrate

In order to be invited to tutoring or extension activities a students performance 20 point higher or lower than average for the

Ahyperbola centered at the origin has a vertex at (-6,0) and a focus at (10,0)

Two farmers pay a total rent of $140 for a pasture. the first farmer placed $4 oxen in the pasture, and the second farmer placed $30 sheep in the pasture. the farmers split the rent based on the proportion of the pasture eaten by their own animals that month. how much should the first farmer pay, if 1 ox eats as much as 10 sheep in a month?