Miranda has 55 feet of fencing. She wants to her all the fencing to create a rectangular garden. The equation 21 + 2w =55, where I is the length of the garden and w is the width, models the scenario. This equation can be used to find the one dimension of the garden if the other dimension is known,

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?