One of the fish tanks on display at the pet store is shaped like an octagonal prism . how many rectangles of glass are around the edge of the fish tank

there are eight rectangles in an octagonal prism

-12 > a

step-by-step explanation:

-11 > 1 + a

subtract 1 from each side

-11-1 > 1-1+a

-12 > a

use distributive property on all like terms and change your signs if you have a double negative or if you have positive/negative