In triangle abc, angle a=3x+1,angle b=4x-17,and angle c=5x-20.what type of triangle is angle abc

Choose the correct classification of 3x4 − 9x3 − 3x2 + 6. 5th degree polynomial 4th degree polynomial 9th degree polynomial 24th degree polynomial

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.

What expression is equivalent to 1/2(2+3x-6)