The answer should be y = 5x^2+4x-1
3/4 of 16/9 = 12/9
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1. Convert the mixed fractions to a decimal.
2 1/4 is 2.25
1 2/4 is 1.5
2. Add them up.
3. 3.75 as a decimal or 3 3/4 as a mixed fraction or 15/4 as a improper fraction.
Answer:
5.5 X 10 X 4 = 220 cubic feet
Answer:
3.2 km * 1 / 1.609 mi / km * 5280 ft / mi = 10,501 ft
Check: 3280.84 ft / km * 3.2 km = 10,499 ft