What music selection is played by the United States Marine Band at the beginning of the swearing in ceremony at the Joe Biden Inauguration?

Factor the monomial completely 42a3b3

What does x = in this equation x+3+2x=x+5

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.