Select all numbers that are irrational.
plz help its due now...​

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.

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Asystem of equations has 1 solution.if 4x-y=5 is one of the equations , which could be the other equation ?