Define altitude in a geometric way. (in geometry)

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

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.

Use the graph of the sine function y=2sinθ shown below