Consider the following 8 numbers, where one labelled x is unknown. 40, 32, 17, x, 21, 50, 20, 25

Given that the range of the numbers is 69,

work out 2 values of x.

Sal is tiling his entryway. the floor plan is drawn on a unit grid. each unit length represents 1 foot. tile costs $1.35 per square foot. how much will sal pay to tile his entryway? round your answer to the nearest cent.

Answer question above and explain each step : )

The standard distance between studs in a house is 1.5 feet. if you have a set of blueprints for a house that mark every 1.5 feet with 2 in., by how many inches will a 13-foot wall be represented?