This is what we call a domain which has been restricted because of the real world problem is it being used as a model

For the equations below which statement is true ? -2x=14 6x=-42

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

If a 36 inch yardstick casts a 21 foot shadow, how tall is a building whose shadow is 168 feet? what is the scale factor