Solve the rational inequality. Express your solution on a number line using interval notation.
? 0
A. (-?, -7] ? (1, 2]
B. [-7, 1] ? [2, ?)
C. [-7, 1) ? [2, ?)
D. (-?, -7] ? [2, ?)
Answer: C
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Complete.24 yd = 
in.
A. 8 B. 288 C. 72 D. 864
Solve the problem.The table shows the population of a city over the past five years.
We used these data to develop the quadratic equation 
, which models the population of the city y in millions in the year x, where x = 0 represents 1995, x = 1 represents 1996, and so on. Use the model to find the estimated population in the year 1998.
A. 71,628,000 B. 68,852,000 C. 1,490,000 D. 1,490,000,000,000
Solve the problem.The length a spring is stretched from its natural length with work, W
is given by L = 
where k is a constant for the given spring. If a certain spring has a constant of 37.1, and the spring is to be stretched 4.2 feet from its natural length, how much work will be necessary? Round your answer to the nearest tenth.
A. 77.9 foot-pounds B. 38 foot-pounds C. 654.4 foot-pounds D. 327.2 foot-pounds
Solve the equation and check your proposed solution.8.9x = 26.7
A. {23.7} B. { 0.33} C. {3} D. {17.8}