Keith is thirteen years older than nephew william. in four years keith will be twice as old as william. how old is william 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.

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol

Check all that apply. f is a function. f is a one-to-one function. c is a function. c is a one-to-one function.