Si el indice de refraccion del vidrio crown es 1.52, ¿cual es la velocidad de la luz en ese vidrio?

How do you find principle and simple interest

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

12.0 million metric tons of beef produced annually in the u.s. out if 65.1 mikkion metric tons of produced annually worldwide