How do you do this i don't understand

According to the online content activity for this lesson, what should you do if you do not understand the material you are trying to learn? a. try a new approach to learning the material. c. re-read the material b. give up d. find someone to give you the answers to the test select the best answer from the choices provided a b c d

Arandom variable x has a mean of 10 and a standard deviation of 3. if each value of x is multiplied by 2, what will the new mean and standard deviation be?

Jake and kate made a down payment of 16% on a house that cost $267,450. they are charged an origination fee of 0.5%, an intangible tax of 0.2%, and bought two discount points. what did jake and kate pay in total for the down payment, fees, taxes, and points? $43,947.38 $47,285.16 $48,857.77 $50,013.15