The formula for the perimeter of a rectangle is p=2l+2w. a rectangle has a perimeter of 24 inches. find it’s dimension if it’s lenghth is 3 inches greater than its width

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?