This technological hand held device can be used to graph functions perform statistical analysis and operation with matrices. These are just some of its capabilities. WHATS THE ANSWER ???

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

Ammonia molecules have three hydrogen atoms and one nitrogen atom.how many of each atom arein five molecules of ammonia

Can someone me out here and the tell me the greatest common factor