8/9
O=16H
H+H+O=water
18H =water molecules
so u can see ratio 16H/!8H=8/9
Answer:
(x−5) and (x−4)
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
Answer:
31 ft²
Step-by-step explanation:
(1) Area of square
A = l²
A = 12²
A = 144 ft²
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(2) Area of circle
A = πr²
A = π × 6²
A = π × 36
A = 113 ft²
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(3) Remaining area
A = 144 – 113
A = 31 ft²
The area of the remaining board is 31 ft².
