Jaquelyn wants to start getting to school on time more often. She is looking at some of her habits. On Monday, she is late twenty percent of the time.
When she is late on Monday, she is late on Tuesday 60% of the time.
When she is not late on Monday, she is late on Tuesday 20% of the time.
What is the approximate probability that Jaquelyn will be late on Tuesday, given she was late to school on Monday?

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

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?

Which of the following parabolas opens down?