Answer:
B
Please mark brainliest if correct
Step-by-step explanation:
We can rule out A and D because of the area.
The area of a cube with side length 1/4 is 1/64, times 840, is 13 1/8
The area of a cube with side length 1/2 is 1/8, times 420, is 52 1/2
Answer is (D). -6-7x. Or to play with it a lil bit -7x-6. The numbers and coefficients and signs are all correct doesn’t matter how you form them unless “they” disagree with it
Answer:
5
Step-by-step explanation:
Step-by-step explanation:
A = 280² ft²
A = (200 + 80)² ft²
A = [200² + 2(200)(80) + 80²] ft²
A = (40000 + 32000 + 6400) ft²
A = 78400 ft²
