Math question: Solve the inequality system: -2x + 3y ≥ 6 and 2x + y < 9. Graph the solution on a coordinate plane. How many points lie within the solution?
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Math question: For a parabola function represented by 𝑦 = ax^2, if the value of a is 2, what is the vertex of the parabola? (
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What is the sine of an angle in a right triangle with opposite side length 8 and hypotenuse 10?