Aplane traveling from city a to city b travels x miles per hour for total of 4.5 hours that plane takes the same route on the return traveling 25 miles per hour faster for a total of 4.25 hours what is the total distance the plane travels?

Simplify the expression 10/11(22z) + (a+5) -1

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

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?