Well one similarity is that since you have to multiply, integer rules still apply and that you can also multiply variables. A difference is that with fractions, you have to make a number into an improper fraction rather than just the regular way which would most likely be the whole number with a decimal.
Answer: A.8.7
Step-by-step explanation:
Answer:
f=4
Step-by-step explanation:
-11f=7(1-2f)+5
-11 f=7-14f+5
14f-11f=12
3f=12
f=4
The answer would be 9, because you have the 3 edges along the rectangles, and then 3 edges each for the triangles. So 3 + 3 + 3 = 9. I hope this helps!