Which of the following ratios is not equivalent to 4/8 1/2 9/18 12/32 18/36

Which expression can be used to determine the slope of the line that passes through the points -6, three and one, -9

In dire need~! describe how to use area models to find the quotient 2/3 divided by 1/5. check your work by also finding the quotient 2/3 divided by 1/5 using numerical operations only.

How can you find the mean absolute deviation (mad) for this set of data?