B - the value of x is positive and the value of y is negative
Hello,
We have to use this relation : 
He we have :
Answer:
-4
Step-by-step explanation:
trust me im smart
The top and bottom faces are 3 inches by 3 inches.
Area = 3 in. * 3 in. * 2 = 18 in.^2
The front, back, right, and left faces are 3 in. by 6 in.
Area = 3 in. * 6 in. * 4 = 72 in.^2
Total surface area = 18 in.^2 + 72 in.^2 = 90 in.^2
Answer: B. 90 square inches
Area of a square is length times by itself (length x width) so 12 cm x 12 cm
144cm squared
hope i helped :)
