When Zoe was six-year-old Lulu is twice her age Zoe is 10 years old now how old is Lulu

What is the multiple zero and multiplicity of f(x) = (x ? 3)(x ? 3)(x + 5)? multiple zero is 3; multiplicity is 2 multiple zero is 5; multiplicity is 1 multiple zero is ? 5; multiplicity is 1 multiple zero is ? 3; multiplicity is 2

If i have 20$ and i gave 5$ away how much i got

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m