Answer:

Step-by-step explanation: Use pascal triangle or foil method
B-4.2< -7.5
Explanation-
They say b minus 4.2 so we set it up like b-4.2 then it says less than so we use <
Answer:
$186.30
Step-by-step explanation:
87 + 75 = 162
162 + 15% = 186.3
Answer:
so thats how you solve that