A principal of $4,570 is placed in an account that earns 4.5% interest. If the interest is compounded annually, how much money will be in the account at the end of 5 years? a. $4654.15 b. $4775.65 c. $5638.75 d. $5695.05

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

Complete the steps, which describe how to find the area of the shaded portion of the circle. find the area of the sector by multiplying the area of the circle by the ratio of the to 360. subtract the area of the triangle from the area of the sector.

He ! a group of farmers planned to clean 80 acres of wheat per day to finish the work on schedule. right before the work started, they received a new piece of machinery that them clean 10 more acres per day than originally planned. as a result of increased productivity in the last day before the deadline they only had to clean 30 acres. how many acres of wheat did the group of farmers have to clean?