The formula for glue says to add 50ml of hardener to each container of resin. how much hardener should be added to 15 containers of resin?

The sixth grade art students are making a mosaic using tiles in the shape of right triangles.each tile has leg measures of 3 centimeters and 5 centimeters.i f there are 200 tiles in the mosaic what is the area of the mosaic.

At the newest animated movie, for every 9 children, there are 4 adults. there are a total of 39 children and adults at the movie.

Which expression will have the same sum as 3_8 + 1/4?