A - Economical
The other words: cheat, penny-pinching, and tight fisted all have negative connotations with both the reader and the writer. "Ecomonimal' has a much more positive connotation.
Answer:
the correct answer would be D. he tried different kinds of wood, coconut fiber, and even the hair because you see the word EVEN in between the AND and the THE, we'll the EVEN makes the sentence seem like the author is thinking that Edison really wants to succeed.
So D) is the correct answer.
Hope I helped.
Explanation:
Answer:
change the ingredients amounts
To find the number of rows, you need to divide the total number of trees (24x-16) by the number of trees per row (3x-2):

(because 24/3 = 8 and 16/2 = 8)
So, there are 8 rows of trees.