Answer:
<u>(a): 9x + 45</u>
Option A, 9(x + 5) because it distributes into 9x + 45
Option B, 9 * x + 9 * 5 because it multiplies into 9x + 45
<u>(b): 13 + 9y - 3 - y</u>
Option D, 8y + 10 because it combines into this number
10
Step-by-step explanation:
all u have to do is dvide