. ¿Para quienes están pensados los servicios privados?

Awell-diversified portfolio needs about 20-25 stocks from different categories is this true or false?

1. technician a says horsepower information can be used by consumers to compare the power of different automobile engines. technician b says that manufacturers will often list the horsepower output of their engines in the online service information. who is right?

Me and category do i put them in because this is science