Answer:
Step-by-step explanation:
3b⁵ + 15b⁴ - 18b⁷ = 3b⁵ + [3*5*b⁴] - [6*3*b⁷]
=3b⁴*( b + 5 - 6b³)
IT IS 6!!!!!!!!!
i found the box
Answer:
3,200
Step-by-step explanation:
3 is less than 5 so you round down to 3,200
49=-7k is equivalent to D because when you simplify both of them, you get -7=k