Please Help! After 7 years, your retirement fund has $25,000 in it. Each year, the account is compounded continuously at 5.25% interest. How much did you initially invest into your retirement fund? Round to the nearest cent.

1/3(x-10)=-4 solve for x with steps

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.

Find the maximum value of p= 4x + 5y subject to the following constraints :