Use the elimination method to solve the system of linear equations. 3x - 2y = 4-6x + 4y = 7
A. (1, 2)
B. Infinite number of solutions
C. (2, 1)
D. No solution
Answer: D
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Use the following definitions to determine if the statement is true or false. N = {x : x is a natural number}I = {x : x is an integer}R = {x : x is a real number}W = {x : x is a whole number}Q = {x : x is a rational number}I is a proper subset of N, W, Q, and R.
A. True B. False
Triangle ABC is a right triangle with sides of lengths a, b, and c and a right angle at C. Find the indicated trigonometric function value of A. Rationalize denominators containing radicals.a = 9, c = 
; find tan A.
A. 
B. 
C. 
D. 
Consider only the discriminant, b2 - 4ac, to determine whether one real-number solution, two different real-number solutions, or two different imaginary-number solutions exist.x2 + 12x + 36 = 0
A. Two different real-number solutions B. One real solution C. Two different imaginary-number solutions
Simplify by using the order of operations. Round your answer to the nearest hundredth, if necessary.44.1 - 6.1 ÷ 4.1 ? 28
A. 259.51 B. 1193.14 C. 0.33 D. 2.44