In a mosaic, 18 tiles out of 50 are blue. What percent of the tiles are blue?

Use the elimination method to solve the systems of equations.choose the correct ordered pair. 7x+4y=39

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.

What is the domain of the step function f(x)=[2x]-1?