*Only three of the four will be used and they must be in the correct order* Arrange the systems of equations that have a single solution in increasing order of the x-values in their solutions. Worth ten points!

What is the difference between regular convex and concave polygons

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?

Which type of graph would allow us to compare the median number of teeth for mammals and reptiles easily