Solve the problem.Find the value of n.
= 
A. 18
B. 49
C. 
D. 81
Answer: B
Mathematics
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Express the number in scientific notation.0.0000004
A. 4 × 10-6 B. 4 × 10-8 C. 4 × 10-7 D. 4 × 10-9
Mathematics
Solve the problem.The graph shows the sales of a particular brand of appliance from 1992 to 2010, where 1992 corresponds to 
. Is the slope of the line in the graph positive or negative? Explain. 
A. Negative; The sales are decreasing. B. Positive; The sales are increasing.
Mathematics
Expand the binomial.(x-3 + 2)5
A. 32x-15 B. x-15 + 32 C. x-15 + 5x-12 + 10x-9 + 10x-6 + 5x-3 + 1 D. x-15 + 10x-12 + 40x-9 + 80x-6 + 80x-3 + 32
Mathematics
Find the y-intercept for the graph of the quadratic function.y + 9 = (x - 3)2
A. (0, 6) B. (9, 0) C. (0, -6) D. (0, 0)
Mathematics