For exercises 4-6, use the imaginary unit to write an equivalent expression for the radicals.
Just number 4 and 6

Which statements regarding the diagram are true? check all that apply.

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.