Compare |3/8| and |-3/4|

The perimeter of a rhombus with a side of 6 is 24

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?

What is the product? a-3/15a × 5/a-3