Post test: rational numbers

multiply the pairs of numbers, and match them with their products

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

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5