All of the following are equivalent except a: 5 over 4. b: 1.25. c: 12.5%. d: 125%.

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Aresearch group wants to find the opinions’ of city residents on the construction of a new downtown parking garage. what is the population of the survey downtown shoppers downtown visitors downtown workers city residents

Parabolas y=−2x^2 and y=2x^2 +k intersect at points a and b that are in the third and the fourth quadrants respectively. find k if length of the segment ab is 5.