Simplify the expression. 4(3^(3)-8)÷2

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.

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction

How do u write a function for the reflection across the y axis