Suppose y varies directly with x, and when y is 6, x is 4. What is the constant of proportionality, k?

What are the relative frequencies, to the nearest hundredth, of the rows of the two-way table? group 1: a 15 b 45 group 2: a 20 b 25

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?

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined