Amultiple-choice test consists of 5 questions with each question having 3 possible answers. how many different ways are there to mark the answers?

In which form is the following function written? y = - 2(x – 3)(x + 5)

Which of the following is the best first step in solving the equation below? 4+2㏒³x=17

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.