6 is subtracted from twice a number

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.

Which of these triangle pairs can be mapped to each other using a single translation? cof hn

What is the point of inflection for the function f(x)=2cos4x on the interval (0, pi/2)