Roger works part-time as a waiter at a pizza joint. He earns $9 per hour. How much does he earn for 20 hours of work?

What is the slope of the line that contains the points (4,8) and (9,8)? what type of line is it?

Which expression is equivalent to 4 square root 6 divided by 3 root 2

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.