Hint: Is under 3 dollars.
Area of a rectangle = length (l) * width (w)
A = 30ft * 20ft
A = 600 sq ft
Now the width of a sidewalk that surroundeds it = 3 ft
so now the area of the rectangle with sidewalk= 30+3ft * 20+3ft
A = (33*23) ft
A = 759 sg ft
Area of the sidewalk = 759 - 600
A = 159 sq ft
To write the number is standard form we need to move the decimal point six times to the right, then:

therefore the answer is b.
Answer:
(4,2),(5,−3),(−1,7),(0,9)
Step-by-step explanation:
Nine tenths, four hundredths, and one thousandth.
OR:
Nine hundred and forty one thousandths.