3y+4=-8 what does y equal?

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.

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

3.4a=57.8 what is the the value of a