What is the vertex of the parabola? y + 4 = 1/2 (x - 7)^2
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Which of these equations, when solved, gives a different value of x than the other three? a9.1 = -0.2x + 10 b10 = 9.1 + 0.2x c10 – 0.2x = 9.1 d9.1 – 10 = 0.2x

The trigonometric ratios sine and secant are reciprocals of each other

Lines a and b are parallel. what is the value of x? -5 -10 -35 -55