If b= the number of boys, which algabraic expression represents the phase?

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?

Which diagram shows lines that must be parallel lines cut by transversal?

If point cis between points a and b, then ac + — = ab