Find c such that (4,−9), (1,1), and (c,10) lie on a line

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.

Which of those sequences is a geometric sequence

What additional information could be used to prove abc =mqr using sas? check all that apply.