Solve the system of equations using Cramer's Rule, if applicable.
A. 
B. {(x, y)| 5x - 8y = 7}
C. ?
D. (2, 3)
Answer: C
Mathematics
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Evaluate.2 tan2 120° + 2 sin2 150° - cos2 0°
A. 
B. 
C. - 
D. 
Mathematics
Use a graphing calculator to solve the linear equation.Rewrite the equation so that one side is 0, then replace 0 with y. The graph of the equation for y is shown. Use the graph to determine the solution of the equation.3x + 1 + x = 2x - 3
A. y = 2x + 4; 0 B. y = 4x + 2; -2 C. y = 2x + 4; -2 D. y = 4x + 2; 0
Mathematics
Find the whole.46% of what number of yards is 69 yards?
A. 0.67 B. 1500 C. 150 D. 67
Mathematics
Define functions F and G from R to R by the following formulas:
F(x) = (x + 1)(x ? 3) and G(x) = (x ? 2)^2 ? 7. Does F = G? Explain.
Mathematics