What is the domain of the function shown in the mapping?

a.) {x | x = –5, –3, 1, 2, 6}
b.) {y | y = –9, –6, 0, 2, 4}
c.) {x | x = –9, –6, –5, –3, 0, 1, 2, 4, 6}
d.) {y | y = –9, –6, –5, –3, 0, 1, 2, 4, 6}

When benny’s sister penny is 24, benny’s age will be 125% of her age. how old is lenny? a) how old will benny be then? b)if benny is 12 years old now, how old is penny now? explain your reasoning.

Geometry: determine whether segment mn is parallel to segment kl. justify your answer. jm 6 mk 3 jn 8 nl 4

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.