Answer: Maybe if you ask another question, I could answer you. I don't know this one.
Step-by-step explanation:
Answer:
c. 4
tan (30)/1 = x/7 *cross multiply*
x = 7 (tan(30))
x = 4.04
x = 4
N= -8
a
c
the total number of marbles are 12 and there are 3 colours so you divide 12 by 3
8
Hope this helps
