Suppose that from a standard deck, you draw three cards without replacement. What is the expected number of queens that you will draw?

Solve the equation using the given values: x= -2.5; y= -7.51. 2xy + 2x²

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?

Simplify the expression. -2/5(10+15m-20n)