La suma de las edades de 3 personas es de 76 años. La grande tiene 20 años mas que la chica y la del medio el doble de años que la chica. Hallar las edades de las tres personas

The fence around a quadrilateral-shaped pasture is 3a^2+15a+9 long. three sides of the fence have the following lengths: 5a, 10a-2, a^2-7. what is the length of the fourth side of the fence?

Tessa bought stock in a restaurant for $253.00. her stock is now worth $333.96. what is the percentage increase of the value of tessa's stock? a.) 81% b.) 32% c.) 24% d.) 76%

Describe how you can act financially responsible.