44 hand-picked, high-difficulty questions targeting the exact concepts students miss most often: sign-error traps, extraneous roots, weighted averages, discriminant reasoning, and multi-step geometry. Master this set and no question on test day will surprise you.
The sum of the measures of the angles of a triangle is 180°. There are 360° of arc in a circle. There are 2π radians of arc in a circle. Volume of a rectangular box: V = ℓwh. Volume of a cylinder: V = πr²h. Volume of a sphere: V = (4/3)πr³. Volume of a cone: V = (1/3)πr²h.
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