Which expression is equivalent to: -(4a-4b)

-4a-4b
-8a+4b
-8ab
-4a+4b

Lydia collected two sets of data one set of data shows an outlier. which set has an outlier, and which number is the outlier?

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3