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:
it is the first option
Step-by-step explanation:
the middle (median)is 31 and where the Q starts is 26
Answer:

Step-by-step explanation:
