Solve the equation.
+ 
= 
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Find the specified minor and cofactor for the matrix A.M21 and A21 if A = 
A. M21 = -24 and A21 = 24 B. M21 = -24 and A21 = -24 C. M21 = -27 and A21 = 77 D. M21 = -27 and A21 = -27
Mathematics
Using the variable x, write the interval as an inequality.
A. -6 < x ? 5 B. -6 ? x ? 5 C. -6 < x < 5 D. -6 ? x < 5
Mathematics
Find the exact value of the expression if ? = 30°. Do not use a calculator.g(?) = sin ?Find g(2?).
A. 
B. 
C. 
D. 1
Mathematics
Find the average.The number of visitors to a historical museum for various days are 67, 79, 51, 75, 48, 79, and 49
A. 56 B. 67 C. 79 D. 64
Mathematics