Write the system of equations associated with the augmented matrix. Do not solve.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Complete the statement to illustrate the commutative property.10 + (9 + 11) = 10 + (11 + ___ )
A. 11 B. 9 C. 10 D. 20
Mathematics
Factor the polynomial f(x). Then solve the equation f(x) = 0.f(x) = x4 - 4x3 - 7x2 + 22x + 24
A. (x - 2)(x - 3)(x - 1)(x - 4); 2, 3, 1, 4 B. (x + 2)(x + 3)(x + 1)(x - 4); -2, -3, -1, 4 C. (x + 2)(x - 3)(x + 1)(x - 4); -2, 3, -1, 4 D. (x - 2)(x - 3)(x + 1)(x - 4); 2, 3, -1, 4
Mathematics
Rewrite f(x) = (ax + b)/(x + c) in f(x) = a + d/(x + c) form.f(x) = 
A. f(x) = 1 - 
B. f(x) = 1 + 
C. f(x) = 1 + 
D. f(x) = 1 - 
Mathematics
Evaluate the trigonometric function. Round your answer to four decimal places. (Be sure the calculator is set in the correct angle mode.) ? sec 221° ?
A. -1.3250 B. -1.0250 C. -0.8250 D. -0.9250 E. -1.2250
Mathematics