Answer i will give 30 points!
which expressions are equivalent to z + (z + 6) z+(z+6) ?
choose all answers that apply:
a.) (z+z) + (z+6)(z+z)+(z+6)
b.) (z+6) + 6(z+6)+6
c.) 2(z+3)2(z+3)

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?