¿Cuál de las siguientes expresiones representa la distancia entre 5/2 y 4 7/8 en una recta numérica? La expresion del resultado en valor absoluto porfavor:(

The parabola x= √y-9 opens: a.)up b.)down c.)right d.)left

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

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?