Solve the equation.(y - 3) - (y + 5) = 9y
A. - 
B. - 
C. - 
D. - 8
Answer: B
Mathematics
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Find the missing angle.
A. 49° B. 67° C. 57° D. 31°
Mathematics
Solve the inequality.x2 + 2x ? 0
A. (-?, -2] or [0, ?) B. [-2, 0] C. [0, 2] D. (-?, 0] or [2, ?)
Mathematics
Replace the variable as indicated and decide whether the given number is the solution.168 = k ? 14; replace k with 15
A. 168 = 168; Yes B. 168 = 210; No
Mathematics
Solve the problem.In 1995 the United States recovered 20% of its municipal wastes through recycling, up from 17% in 1990. Find a linear equation that fits this data. Use this equation to predict the percentage recycled in 2005.
A. 27.7% B. 24.1% C. 26% D. 22.4%
Mathematics