Write the inequality without "and".x > -2 and x ? 2
A. -2 > x ? 2
B. -2 ? x < 2
C. 2 ? x < -2
D. -2 < x ? 2
Answer: D
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Find the first four terms of the indicated expansion.(x + 2)19
A. x19 + 38x18 + 1368x17 + 7752x16 + ... B. x19 + 38x18 + 1368x17 + 15,504x16 + ... C. x19 + 38x18 + 684x17 + 7752x16 + ... D. x19 + 38x18 + 684x17 + 15,504x16 + ...
Write the decimal as a fraction or mixed number in lowest terms.7.2
A. 7
B. 7
C. 
D. 1
Find an equation of a line satisfying the following conditions.Perpendicular to x = 2, passing through (1, 3)
A. x = 3 B. y = 1 C. x = 1 D. y = 3
Solve the problem.An approximation of the amount in billions of dollars that Americans have spent on their pets from 1998 to 2006 can be obtained by substituting a given year for x in the expression 1.712x - 3402. How has the amount Americans have spent on their pets changed from 1998 to 2006?
A. It has largely increased. B. It has increased a little. C. It does not really change. D. It has decreased.