Sarah ordered a grilled cheese sandwich for $2.49 and a drink for $1.99. She wants to leave her waitress an 18% tip. How much should she leave?

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.

Need on this one asap im almost done with this subject

18 16 11 45 33 11 33 14 18 11 what is the mode for this data set