Which of the following statements does not represent the same value as the others the absolute value of negative 9
the absolute value of 9
the distance between 0 and -9
the opposite of 9

For each proportion find the unknown number x 1/5/8=×/15

What is the 12th term of b(n)=-4-2(n-1)

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