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. 10,077,696
B. 531,441
C. 60,480
D. 84
Answer: B
Mathematics
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Add or subtract as indicated. Write the answer in lowest terms.12 - 
A. 
B. 
C. 
D. 
Mathematics
Solve the three-part linear inequality. Graph the solution set on a number line, and express the solution using interval notation.3 ? 
x - 2 < 13
A. [4, 12)
B. (4, 12]
C. (4, 5]
D. [4, 5)
Mathematics
Use the cofunction identities to find an angle ? that makes the statement true.sin (3? - 17°) = cos (? + 43°)
A. ? = 90° B. ? = 16° C. ? = 6° D. ? = 10°
Mathematics
Solve.-7x + 6 + 5x = -2x + 11
A. x = 5 B. Infinite number of solutions C. x = -6 D. No solution
Mathematics