Which table represents a linear function?

Maria found the least common multiple of 6 and 15. her work is shown below. multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . multiples of 15: 15, 30, 45, 60, . . the least common multiple is 60. what is maria's error?

Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?

5cakes cost 3.50 how much do 7 cakes cost