Evaluate the function requested. Write your answer as a fraction in lowest terms.
Find tan A.
A. tan A = 
B. tan A = 
C. tan A = 
D. tan A = 
Answer: C
Mathematics
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Find the exact value of the expression.
A. -2
B. - 
C. -
D. - 
Mathematics
Find the cross product and determine whether the proportion is true or false.
= 
A. 3120 = 3120; true B. 3120 ? 2700; false C. 2700 = 2700; true D. 8190 ? 360; false
Mathematics
Factor the trinomial completely.49x2 - 28x + 4
A. (7x + 2)2 B. (7x - 2)(7x + 2) C. (49x + 1)(x + 4) D. (7x - 2)2
Mathematics
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.8w + 7x - 6y - 4z = 117w + 5x - 9y - 4z = -108w - 7x + 7y + 5z = -25-6w - 4x + 7y + 8z = -2
A. (1, 5, 4, 2) B. (-1, 5, 4, -2) C. (-1, 4, -5, 2) D. No solution
Mathematics