The answer is 3x^2 + 19x - 12.
Answer:
D. 24 ft
Step-by-step explanation:
The slope of 1/3 means the rise is 1/3 the run for each half of the span. The rise is shown as 4 ft, so the half-span is 3·4 ft = 12 ft.
The span of the roof is 24 ft.
The unit price per kg is $5, to find this divide the 9 kilograms into the price $45 the answer is what each kilogram is worth