Which pair of variables would most likely have a negative correlation? A. the speed that a car is moving and the time it takes to reach its destination
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B. the minutes spent talking on a cell phone and the cost of the cell phone bill
O c. the number of dogs in a town and the price of cat food in the supermarket
OD. the number of dance tickets sold and the amount of money earned by the student council

If x=-3 is the only x-intercept of the graph of a quadratic equation, which statement best discribes the discriminant of the equation?

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Imogene invested $8,000 in a bank account that pays 8 percent simple interest at the end of each year. her friend invested the same amount in stocks where the growth of the investment is represented as 2,000 times the square root of 2 less than the time lapsed in years. if y1 and y2 represent the amount earned in dollars and t is the time lapsed in years, which system of equations correctly represents the situation?