What is the answer and steps ​

Mustafa contributes 11% of his $67,200 annual salary to his 401k plan. what is his pretax income

Asquare has a side that measures 11 units. what is the area of a circle with a circumference that equals the perimeter of the square? use 3.14 for π, and round your answer to the nearest hundredth. 1519.76 units2 379.94 units2 616.56 units2 154.14 units2

Find the solution of each of the following.