The lines shown below are perpendicular. If the green line has a slope of 1 what is the slope of the red line? O A. 1 4 O B. 4 O c. -4 OD 4 UM

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?