Jasmine wants to earn $2,000 in simple interest through a bank account earning 5% annually. How much principal
would she need to invest in the account to meet her interest
goal in 4 years?

How do i do this activity, is appreciated

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 net represents the pyramid below? meh