Write a ratio, in simplest form, that compares the two quantities (show your work):

400 m to 1 km

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.

The longer leg of a 30-60-90 trangle is 18

Find the distance between the point (-3,-4), and (see the picture below)