Simplify: 1.) 1/5b-5(2/5a-1/10b)+4a

2.) 2.3c-5.25(2.6d-2.8)-7.9

3.) 4(4y-7y2)-9(5y+2)

4.) 2/3a+6-3/5a-1

5.) 5/4x-8y-1/4x+7y+3

In which figure is de bc ? a. figure 1 b. figure 2 c. figure 3 d. figure 4

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.

Kathy spent 5/8 of her money on books and another 1/6 of her money on stationeries.what fraction of kathy’s money was left?