so basically this is a test with 15 question ( putting 5 rn will add the rest in the next question) I appreciate any answers even if you don't answer all of them <3

Witch represents the inverse of the function f(x)=1/4x-12

What is x and y intercepts for y=x+7

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.