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. 84
D. 60,480
Answer: B
Mathematics
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Replace the polar equation with an equivalent Cartesian equation.r cos ? = 7
A. 7y = 1 B. y = 7 C. x = 7 D. 7x = 1
Mathematics
Simplify.
3
A. - 
B. 
C. - 
D. - 
Mathematics
Determine the degree of the polynomial.-17x3 + 4y2 + 16xy2 - 2x2y + 6x4
A. 10 B. -2 C. 4 D. 6
Mathematics
Solve the formula for the specified variable.F = 
C + 32 for C
A. C = 
B. C = 
(F - 32)
C. C = 
(F - 32)
D. C = 
Mathematics