Determine if matrix A is invertible.A = 
A. Invertible
B. Not invertible
Answer: A
Mathematics
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Rewrite the expression as the logarithm of a single quantity.logb x4 - 2logb 
A. 
B. logb (x4 - x)
C. logb x3
D. logb x5
Mathematics
Evaluate.Evaluate x + y, if x is 7 and y is 2.
A. 7x + 2y B. 10 C. 14 D. 9
Mathematics
Write the number in prime factored form.63
A. 7 ? 7 B. 3 ? 3 ? 7 C. 9 ? 3 D. 9 ? 7
Mathematics
Solve. x - y + 2z = 112x + z = 3 x + 2y + z = -7
A. (3, 0, -5) B. (3, -5, 0) C. No solution D. (0, -5, 3)
Mathematics