Answer:
(16a+72)/4 = 4(4a+18)
(16a+72)/8 = 8(2a+9)
Step-by-step explanation:
A. B.
You add them together.
147 + 216 = 363
363 books in both boxes.
Answer:

Step-by-step explanation:

→ Multiply everything by 7 to get rid of the fraction

→ Expand the bracket

→ Minus 8 from both sides to isolate 2x

→ Divide both sides by 2 to isolate x

Answer:
C
Step-by-step explanation:
the 3 indicates that it is a cubed answer and if it is over 3 that creates a cubed answer