The answer is b
The way I do it is the area of the front back times 2 which is 2x4x2=16
Then top and bottom times 2 which is 4x8x2=64
Then left and right which is 2x8x2=32 then you add them all together so 16+64+32=112
Hope this helped :)
Answer:
Attachments
Step-by-step explanation:
Answer:
x² + 13x - 56
Step-by-step explanation:
(x+7) (3x-8)
3x² - 8x + 21x - 56
combine like terms;
x² + 13x - 56
