I NEED THIS ASAP In the diagram below, besides those facts shown, we also have AB = AC. Find the measure of angle A. Please show your work.

At the beginning of year 1, carlos invests $600 at an annual compound interest rate of 4%. he makes no deposits to or withdrawals from the account. which explicit formula can be used to find the account's balance at the beginning of year 5? what is, the balance?

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?

What is the area of the shaded sector?