Answer:

Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
I only did the first part but maybe later I will solve the rest too. If there are any errors but tell me so I can update the pic.
Hi this message wont send cuz it needs to be 20 characters long :)
Answer: B.54 Square inches
Step-by-step explanation: Surface Area
= 2(lb + bh + lh)
= 2(6 x 3 + 3 x 1 + 6 x 1)
= 2(18 + 3 + 6)
= 2(27)
= 54 square inches