If P = (2, -1), find the image of P under the following rotation.
270° counterclockwise about the origin

Consider the proof. given: segment ab is parallel to line de. prove: what is the missing statement in step 5?

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

(01.04 lc)multiply 1 over 6 multiplied by negative 1 over 2. negative 1 over 3 negative 1 over 12 1 over 12 1 over 3