Ineed ! i have more questions and these are due friday!

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

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.