A coat costs $131.61, with 9.5% sales tax. Find the original price of the coat.

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?

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

What does independent variable and dependent variable mean in math?