Astudent is taking a standardized test consisting of several multiple-choice questions. one point is awarded for each correct answer. questions left blank neither receive nor lose points. if there are six options for each question and the student is penalized 1/3 point for each wrong answer, how many options must the student be able to rule out before the expected value of guessing is zero?

What expression is equivalent to (2x-1)(x-3)?

One positive number is 9 more than twice another. if their product is 95, find the numbers

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m