What best describes the expression 4 ? (5 points) ? )
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1) Some number divided by 4
2) Some number times 4
3) 4 more than some number
4) 4 less than some number
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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?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Let event a = you roll an even number on the first cube.let event b = you roll a 6 on the second cube.are the events independent or dependent? why?