Amelia filled 18 of her new aquarium with gravel. A rectangular prism is shown. The height of the rectangular prism is labeled twelve inches. The length is labeled twenty-four inches. The width is labeled twelve inches.

please help i need it by today !!

How much gravel did Amelia use?

162 in.3

180 in.3

216 in.3

432 in.3

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.

Select all the correct locations on the table. consider the following expression. 76.493 select "equivalent" or "not equivalent" to indicate whether the expression above is equivalent or not equivalent to the values or expressions in the last column equivalent not equivalent 343 equivalent not equivalent 49 78.498 78.498 75.493 equivalent not equivalent 75.7 equivalent not equivalent

I’m still confused on how to work the percentages