Add 0.39 and 0.22. How many tenths are in the sum?

Choose the best spanish word to correctly complete the sentence. siete veintiocho treinta doce cien cincuenta y dos treinta y un dias en el mes de febrero anos en un siglo (century) semanas en un ano dias en una semana meses en un ano dias en el mes de abril dias en el mes de diciembre

In the diagram, which must be true for point d to be anorthocenter? o be, cf, and ag are angle bisectors.be 1 ac, ag 1 bc, and cf 1 ab.be bisects ac, cf bisects ab, and ag bisects bc.be is a perpendicular bisector of ac, cf is aperpendicular bisector of ab, and ag is a perpendicularbisector of bc.

The coexistence of several nationalities within a larger state is known as?