$6.60 i think, i subtracted the total ($14.40) with the cost of the beads ($7.80) and came to the remaining cost of $6.60 to be spent
X=3. Just divide 12 by 4 thus giving you 3.
Answer:

Step-by-step explanation:

Answer: 9
Step-by-step explanation:
The interior angle of the 8-sided polygon is

The interior angle of the 10-sided polygon is

Taking the difference, we get 