A certain population demographic may be defined as someone 20 and older, but at most 30 years of age. Express this statement using inequalities.

What is x3+3x2−16x−48 divided by x−1?

Which shows the graph of the solution set of 3y – 2x > –18?

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap