1. D
2. B
3. either c or d, cant tell without graphic.
4 C
5. also cant tell without graphic. is FA congruent to AC or twice as much or something else? its impossible to answer without this knowledge.
hope this helps :)
Answer:
2n - 9
Step-by-step explanation:
Let the number be n. Then "a number multiply by two then subtract 9" yields
2n - 9
The pattern is subtracting 9