Question 1 (1 point) What is the coefficient of the first term of the trinomial? (In other words, what is A?)
(4x + 3)²
Ax2 + 24 + 9
In the blank, write what A equals. Use only numbers - no letters or spaces.

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