What numbers are included in the set of integers? What numbers are not included

If you roll two fair dice (one black die and one white die), in how many ways can you obtain a 4 on at least one die?

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?

See attachment below and find the equivalent of tan(∠qsr)