12 ounces are in 3/4 a pound.. and 16 ounces are in a pound.. so adding 16 and 10 gives you 26, which ends up with Karla's supplies weighing 4 pounds and 10 ounces all together.
Answer:
A) x^9y^2
Step-by-step explanation:
Heyoo. Hope this helps you understand why is the answer is option 2. If you still don’t understand, feel free to ask for me to further explain. I used two important rules to figure it out (they are included in the picture).