Answer the question.Two cars leave an intersection. One car travels north; the other east. When the car traveling north had gone 9 mi, the distance between the cars was 3 mi more than the distance traveled by the car heading east. If the eastbound car traveled x miles, what is the distance between the cars in terms of x?
A. 3x
B. x - 3
C. 3 - x
D. x + 3
Answer: D
Mathematics
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Subtract.-110 - 440
A. 550 B. 330 C. -550 D. -330
Mathematics
Use the data set {-2, -3, 1, 8} to answer the following question(s).The standard deviation of the data set is
A. 4.33. B. 18.5. C. 3.905. D. 4.301. E. none of these
Mathematics
Combine like terms.4.5x + 9.4 - 4x + 0.9 - 7x
A. 7.5x + 10.3 B. -6.5x + 10.3 C. 3.8x D. 1.5x + 10.3
Mathematics
Solve the equation.3x2 - 21x + 30 = 0
A. {2, 5} B. {3, 2, 5} C. {0, 2, 5} D. {-2, -5}
Mathematics