The perimeter of triangle rxa is 24. if rx = 4 and ra = 11, find xp and pa

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

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?