3. 12 a
4. 7b-10
all you have to do is add up all of the sides.
I wish I knew this one also
-13is negative and is 13 spaces away from 0. 15 is positive and is 15 spaces away from 0.
Answer:
he can cut 60 strips or ribbon
Step-by-step explanation:
The dressmaker has 720 inches of ribbon
from each roll of ribbon, he can make 6 12-inch pieces or ribbon
she has 10 rolls
so 6(strips per roll) x 10(amount of rolls) = 60 strips :)
