Mala is y years old. her sister is twice mala's age. write an expression in simplest form that represents the sum of the ages of the sisters

Which one ? is the answer and how to find this answer

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

Justin has 750 more than eva and eva has 12 less than justin together they have a total of 63 how much money did