Simplify these expressions
a) 3x x 4y
b) 2px 39 x 5r

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?

Abcd is a square. what is the measure of angle bac

Let event a = you roll an even number on the first cube.let event b = you roll a 6 on the second cube.are the events independent or dependent? why?