Answer:
explanation
Step-by-step explanation:
4. 12 * b * 0 = 0
Anything multiplied by 0 is 0
5. 1 * m * 24 = 24m
24 * 1 = 24
24 * m = 24m
6. (t + 15) + 0 = t + 15
You can't add variables with constants.
