Classify as true or false.If GCD(a, b) = 1, then a and b can both be even.
A. False
B. True
Answer: A
Mathematics
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Factor. If prime, so state.3m4 + 192m
A. (m + 4)(m2 - 4m + 16) B. 3(m - 4)(m2 + 4m + 16) C. 3m(m - 4)(m2 + 4m + 16) D. 3m(m + 4)(m2 - 4m + 16)
Mathematics
Solve for the variable.-5x = -55
A. 2 B. 11 C. -50 D. 50
Mathematics
Convert the matrix of observations to mean-deviation form, and construct the sample covariance matrix.
A.
S = 
B.
S = 
C.
S = 
D.
S = 
Mathematics
If possible, solve each system by an algebraic method (substitution or addition method). Otherwise, state that the problem has no solution or an infinite number of solutions. y - 3x = 43y = 9x + 12
A. Infinite number of solutions B. (-1.5, -1) C. No solution D. (1, 1)
Mathematics