A. The discriminant is 81. The formula is b^2 - 4ac.
B. 2 answer and both will be rational due to the fact that the discriminant is a perfect square.
C. Solutions are 1/2 and -4. You can find using the quadratic formula.
20.136 rounded to nearest whole number is 20
20 cans in kilograms = 336 grams * 20 cans / 1000 = 6.72 kg
The answer is D one third of AB.
