Molly invests $600 earning simple interest at 2.2% APR. How long will it take for the investment to be worth $714.10?

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.

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.