What is the document many colleges use for undergraduate students

Describe the social and economic challenges facing the newly formed country of slovakia.

With my drivers ed ill mark you brainliest can someone correct me if i’m wrong or confirm if i’m right? i think the answer is d to move forward in an automatic transmission vehicle, shift to a. park b. reverse c. neutral d. drive

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?