Answer:
B. 3/9 = 4/12 = 1/3
Step-by-step explanation:
I calculated it logically
Answer: 200cm
Step-by-step explanation:
The center Planck is a square of length 8cm.
The 4 next planks are of 16 cm each
And the next 4 Planks are of 32 cm each.
8 + 4(8×2) + 4(8×4)
8 + 4(16) + 4(32)
8 + 64 + 128
200 cm
Length of the original plank is 200cm
Answer:the total trip, and I should be right, was 7 miles. He rowed up for 3 hours, and back for 1.
-------------------------------------------------------------------------------------------------------------
Answer: 
-------------------------------------------------------------------------------------------------------------
Given: 
Find: 
Solution: Since we know that a is greater than b this means that no matter if we subtract or add a constant to both sides a would stay greater than b. Therefore, this would give us the expression of a - c > b - c.
(8+4)/2=6 would be the correct placement of the parentheses.