Solve the problem.How many 6-letter codes can be formed using the letters A, B, C, D, E, F, G, H, and I. Repeated letters are allowed.
A. 84
B. 531,441
C. 60,480
D. 10,077,696
Answer: B
Mathematics
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Evaluate the integral.
A. 1539
B. 
C. 
D. 
Mathematics
Find the asymptotes of the hyperbola.x2 - 
= 1
A. y = 6x, y = -6x
B. y = 6x + 1, y = -6x + 1
C. y = 36x, y = -36x
D. y = 
x, y = - 
x
Mathematics
If A denotes the area of the sector of a circle of radius r formed by the central angle ?, find the missing quantity. If necessary, round the answer to two decimal places.r = 31.7 feet, ? = 14.041°, A = ?
A. 246.26 ft2 B. 123.13 ft2 C. 249.26 ft2 D. 126.13 ft2
Mathematics
Solve the equation.3x = -15
A. {5} B. {-3} C. {-5} D. {3}
Mathematics