a graphic designer wants to know the number of regions that are formed when circles overlap in particular. can she find a rule that describes how the number of regions increases when another circle is added to the design? how many regions would a design with 6 circles create?

For how answer my question this will be the last question can you answer in math subject

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?

Maria walks a round trip of 0.75 mile to school every day.how many miles will she walk in 4.5 days