16.-:- En una granja hay 52 animales, entre vacas y chanchos. Si se sabe que la frecuencia relativa de vacas es 14, ¿Cuántos chanchos tiene la granja? *
10
13
38
39

If 1 km = 0.621 miles, how many miles are in a centimeter

Will give brainliest what is the value of x? enter your answer in the box.

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?