Find a value of k such that kx2 + 12x - 4 = 0 has one real-number solution. Explain. A. 6; the equation of the discriminant is 12(2) – 4k(4) = 0.
O
B. -9; the equation of the discriminant is 122 - 4k(-4) = 0.
O C. 36; the equation of the discriminant is 122 - 4k = 0.
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D. 9; the equation of the discriminant is 122 - 4k(4) = 0.

Why do interests rates on loans to be lower in a weak economy than in a strong one

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Answer asap and if you do you will get brainliest. catherine buys a gallon of ice cream from the store. after taking it home, she eats a fifth of a gallon of ice cream. her sister eats some of the ice cream as well. if two-thirds of the original amount of ice cream is left, then what fraction of a gallon of ice cream did her sister eat?