Answer:

Step-by-step explanation:
Step 1:
Write the expression

Step 2: Expand 

Step 3: Collect similar terms

Step 4: Factor 4 out of the expression to prove that the expression is a multiple of 4.

Answer:

Step-by-step explanation:
First term is 3.2
The quotient of 8.4 divided by 6 is:

Add these two results together:

Answer:
Im not certain but it might be (3,11)
Step-by-step explanation: