Slope-intercept equation for (0, 1)(4 ,3)

Which expression is equivalent to (3^2)^-2 a.-81 b.-12 c.1/81 d.1/12

John bought 2 horses at rs 20000 each

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.