Which function has the given properties below?
the domain is the set of all real numbers.
one x-intercep
the maximum value is 3.
the y-intercept is (0, -3).
o y = -3sin(x)
o y=-3cos(x)
o y = 3sin(x)
o y = 3cos(x)

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The sat and act tests use very different grading scales. the sat math scores follow a normal distribution with mean 518 and standard deviation of 118. the act math scores follow a normal distribution with mean 20.7 and standard deviation of 5. suppose regan scores a 754 on the math portion of the sat. how much would her sister veronica need to score on the math portion of the act to meet or beat regan's score?

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?