See attachment for math work. I did number 3 only.
Answer:
6) b = -13.55
8) p = -1
9) x = 7
15 a^3 b - 35ab^3
taking common
5ab(3a²-7b²)
nucleic acid
Step-by-step explanation:
12,548 rounded to the nearest thousand is 13,000 and 4,685 rounded to the nearest thousand is 5,000
