Solve the problem.If n(B) = 36, n(A ? B) = 7, and n(A ? B) = 63, find n(A).
A. 34
B. 27
C. 32
D. 36
Answer: A
Mathematics
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Find an equation for the line tangent to the given curve at the indicated point.y = x2 - 4 at (4, 12)
A. y = 8x - 20 B. y = 8x - 40 C. y = 4x - 20 D. y = 8x - 36
Mathematics
Solve.9 < 3x ? 15
A. 3 ? x < 5 B. -3 < x ? -5 C. 3 < x ? 5 D. -3 ? x < -5
Mathematics
Solve.A salesperson earned $1600 for selling chemicals to industry. If his commission rate is 4%, find the selling price of the chemicals.
A. $41,000 B. $390,000 C. $40,000 D. $400,000
Mathematics
Solve the polynomial inequality and graph the solution set on a number line.x2 - 4x + 4 < 0
A. (-?, 2)
B. (2, ?)
C. ?
D. (-?, ?)
Mathematics